{"_meta":{"run":"LongMemEval-M full-haystack, full engine + LEXICAL CHANNEL (BM25 over a persistent inverted index, fused by Reciprocal Rank Fusion) — STRICT judge, two independent runs","date":"2026-08-17","dataset":"LongMemEval-M","variant":"full-haystack (~480 distractor sessions per question)","answer_model":"gemini-2.5-pro (Vertex)","judge_model":"gemini-2.5-flash","judge_leniency":"strict","retrieval":"topK=32, +3 reserved dream-ledger slots (nSrc=35), vector ranking fused with BM25 (k1=1.5, b=0.75) by RRF (k=60) — literature defaults, untuned","embeddings":"e5-base (768D)","expected_hits":37,"expected_total":48,"expected_accuracy_pct":77.1,"replay_rule":"A HIT counts only if it reproduces on a second independent run of the same configuration. Both runs are named per row in `runs` and committed in lexical-2026-08/runs/.","composition_note":"Paired against lexical-baseline-strict-48q.jsonl: +9 gained, −1 regressed, per the baseline_correct field on every row. This sample was used during development; the transfer check on 48 UNSEEN questions is the deterministic-retrieval holdout in lexical-2026-08/runs/recall-hold-{off,on}.json, recomputed by verify.js.","note":"Strict verdicts extracted mechanically by lexical-2026-08/extract-ledgers.mjs; the same run files carry the other leniency, published as its own ledger. generated/expected are truncated excerpts; full strings are in the committed run files."}}
{"question_id":"7161e7e2","category":"single-session-assistant","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the final GM social media agent shift schedule from 2023/05/20, Admon's shift on a Sunday is from 8 am to 4 pm.","expected":"Admon was assigned to the 8 am - 4 pm (Day Shift) on Sundays.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the final GM social media agent shift schedule from 2023/05/20, Admon's shift on a Sunday is from 8 am to 4 pm."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"According to the GM Social Media Agent shift schedule from 2023/05/20, Admon's rotation on a Sunday is the 8 am - 4 pm (Day Shift)."}]}
{"question_id":"c4f10528","category":"single-session-assistant","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on memory records from 2023/05/26, the restaurant in the Cihampelas Walk area of Bandung that serves \"Miss Bee's Nasi Goreng\" is Miss Bee Providore. You had planned to order this dish along with a Chocolate Brownie…","expected":"Miss Bee Providore","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on memory records from 2023/05/26, the restaurant in the Cihampelas Walk area of Bandung that serves \"Miss Bee's Nasi Goreng\" is Miss Bee Providore. You had planned to order this dish along with a Chocolate Brownie…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on memory records from 2023/05/26, the restaurant in the Cihampelas Walk area that serves the Nasi Goreng you researched is Miss Bee Providore. The specific dish is \"Miss Bee's Nasi Goreng\" (Source 1, Source 33)."}]}
{"question_id":"89527b6b","category":"single-session-assistant","correct":true,"match_type":"fuzzy","replay_stable":true,"baseline_correct":true,"generated":"Based on memory sources from May 26 and May 28, 2023, the image description for the Plesiosaur in the children's book \"The Amazing Adventures of Dinosaurs\" specifies that it has a blue scaly body.","expected":"The Plesiosaur had a blue scaly body.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on memory sources from May 26 and May 28, 2023, the image description for the Plesiosaur in the children's book \"The Amazing Adventures of Dinosaurs\" specifies that it has a blue scaly body."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, the Plesiosaur in the image description for the children's book \"The Amazing Adventures of Dinosaurs\" has a blue scaly body (Sources 1, 2, 33)."}]}
{"question_id":"e9327a54","category":"single-session-assistant","correct":true,"match_type":"fuzzy","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, the unique dessert shop in Orlando with giant milkshakes is The Sugar Factory.\n\nAccording to Source 2, it is described as: \"A sweet shop located at Icon Park that offers an enormous menu of s…","expected":"The Sugar Factory at Icon Park.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, the unique dessert shop in Orlando with giant milkshakes is The Sugar Factory.\n\nAccording to Source 2, it is described as: \"A sweet shop located at Icon Park that offers an enormous menu of s…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context from a conversation on 2023/05/25, the unique dessert shop in Orlando that offers \"giant milkshakes\" is The Sugar Factory, located at Icon Park."}]}
{"question_id":"4c36ccef","category":"single-session-assistant","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on a conversation on 2023/05/21, the recommended Italian restaurant in Rome for a romantic dinner was Roscioli.","expected":"Roscioli","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on a conversation on 2023/05/21, the recommended Italian restaurant in Rome for a romantic dinner was Roscioli."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on a conversation from 2023/05/21, the recommended romantic Italian restaurant in Rome was Roscioli."}]}
{"question_id":"6ae235be","category":"single-session-assistant","correct":true,"match_type":"fuzzy","replay_stable":true,"baseline_correct":true,"generated":"Based on memory from 2023/05/30, the refining processes used at the CITGO Lake Charles Refinery are:\n\n*   **Atmospheric distillation:** The initial step where crude oil is heated and separated into fractions.\n*   **Fluid…","expected":"Atmospheric distillation, fluid catalytic cracking (FCC), alkylation, and hydrotreating.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on memory from 2023/05/30, the refining processes used at the CITGO Lake Charles Refinery are:\n\n*   **Atmospheric distillation:** The initial step where crude oil is heated and separated into fractions.\n*   **Fluid…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on memory from 2023/05/30, the refining processes used at the CITGO Lake Charles Refinery are:\n\n*   Atmospheric distillation\n*   Fluid catalytic cracking (FCC)\n*   Alkylation\n*   Hydrotreating"}]}
{"question_id":"7e00a6cb","category":"single-session-assistant","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context from 2023/05/25, the recommended hostel situated near the Red Light District is the International Budget Hostel.","expected":"International Budget Hostel","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context from 2023/05/25, the recommended hostel situated near the Red Light District is the International Budget Hostel."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context from 2023/05/25, the recommended hostel situated near the Red Light District in Amsterdam is the **International Budget Hostel**."}]}
{"question_id":"1903aded","category":"single-session-assistant","correct":true,"match_type":"llm_judge","replay_stable":true,"baseline_correct":true,"generated":"According to the conversation log from 2023/05/23 (Source 1), the 7th job in the list provided was \"Transcriptionist\".","expected":"Transcriptionist.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"According to the conversation log from 2023/05/23 (Source 1), the 7th job in the list provided was \"Transcriptionist\"."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the conversation from 2023/05/23, the 7th job on the list of work-from-home jobs for seniors was \"Transcriptionist\"."}]}
{"question_id":"e47becba","category":"single-session-user","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you graduated with a degree in Business Administration (Source 2). You also mentioned on May 22, 2023, that you were working on your Master's thesis (Source 12).","expected":"Business Administration","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you graduated with a degree in Business Administration (Source 2). You also mentioned on May 22, 2023, that you were working on your Master's thesis (Source 12)."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on a conversation on 2023/05/24, you graduated with a degree in Business Administration (Source 2)."}]}
{"question_id":"118b2229","category":"single-session-user","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, your daily commute is one hour each way. This was mentioned in a conversation on 2023/05/27 while discussing listening to audiobooks (Source 9).","expected":"45 minutes each way","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on the memory context, your daily commute is one hour each way. This was mentioned in a conversation on 2023/05/27 while discussing listening to audiobooks (Source 9)."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on the provided memory context, your daily commute is one hour each way.\n\nA conversation on May 27, 2023, explicitly mentions, \"An hour each way is a significant amount of time that can be utilized for personal dev…"}]}
{"question_id":"51a45a95","category":"single-session-user","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, you redeemed a $5 coupon for coffee creamer that you found in your email inbox. The specific store where the redemption occurred is not specified.","expected":"Target","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on the memory context, you redeemed a $5 coupon for coffee creamer that you found in your email inbox. The specific store where the redemption occurred is not specified."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"The $5 coupon for coffee creamer was located in your email inbox. The specific store where the coupon was redeemed is not specified in the memory context.\n\nThis is documented in a user message from 2023/05/29 (Source 2) …"}]}
{"question_id":"58bf7951","category":"single-session-user","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on memory context from 2023/05/30, you attended a community theater production of \"The Glass Menagerie\" (Source 1, Source 33).","expected":"The Glass Menagerie","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on memory context from 2023/05/30, you attended a community theater production of \"The Glass Menagerie\" (Source 1, Source 33)."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"You attended a production of \"The Glass Menagerie\" at the local community theater. This is documented in a conversation session dated 2023/05/30 and corroborated by the theater arts memory consolidation ledger."}]}
{"question_id":"1e043500","category":"single-session-user","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on memory logs from 2023/05/22, the playlist you created on Spotify is named \"Summer Vibes\". This is corroborated by the consolidated memory ledger for music learning.","expected":"Summer Vibes","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on memory logs from 2023/05/22, the playlist you created on Spotify is named \"Summer Vibes\". This is corroborated by the consolidated memory ledger for music learning."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, the name of the Spotify playlist you created is \"Summer Vibes\". This was mentioned on 2023/05/22."}]}
{"question_id":"c5e8278d","category":"single-session-user","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, your previous last name was Johnson.\n\nThis is documented in a user statement from 2023/05/20, which notes a name change from \"Johnson\" to \"Winters\" (Source 3, Source 35).","expected":"Johnson","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, your previous last name was Johnson.\n\nThis is documented in a user statement from 2023/05/20, which notes a name change from \"Johnson\" to \"Winters\" (Source 3, Source 35)."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on a user statement from 2023/05/20, your previous last name was Johnson."}]}
{"question_id":"6ade9755","category":"single-session-user","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you attend yoga classes at a studio named \"Serenity Yoga\" (Source 3, 22; Date: 2023/05/27). You supplement your studio practice with home practice using the Down Dog app on days you cannot at…","expected":"Serenity Yoga","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you attend yoga classes at a studio named \"Serenity Yoga\" (Source 3, 22; Date: 2023/05/27). You supplement your studio practice with home practice using the Down Dog app on days you cannot at…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, here is the status of your yoga classes:\n\n*   As of 2023/05/29, you stated you were hoping to get back into yoga and were looking for a studio suitable for a beginner (Source 31, Source 2).\n*…"}]}
{"question_id":"6f9b354f","category":"single-session-user","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on a memory from 2023/05/27 (Source 9), you repainted your bedroom walls \"a lighter shade of gray\".","expected":"a lighter shade of gray","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on a memory from 2023/05/27 (Source 9), you repainted your bedroom walls \"a lighter shade of gray\"."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on memory logs from 2023/05/27, you repainted your bedroom walls a lighter shade of gray (Source 9)."}]}
{"question_id":"6a1eabeb","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, your personal best time in a 5K run is 25:50. You mentioned this on 2023/05/26 while discussing your training for an upcoming charity 5K run (Source 1, 8, 20).","expected":"25 minutes and 50 seconds (or 25:50)","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, your personal best time in a 5K run is 25:50. You mentioned this on 2023/05/26 while discussing your training for an upcoming charity 5K run (Source 1, 8, 20)."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on a conversation on 2023/05/26, your personal best time for a 5K run was 25 minutes and 50 seconds (25:50)."}]}
{"question_id":"6aeb4375","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, you have tried four Korean restaurants in your city.\n\nThis is according to your statement on September 30, 2023: \"I've tried four different ones so far\" (Source 13). An earlier conversation o…","expected":"four","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you have tried four Korean restaurants in your city.\n\nThis is according to your statement on September 30, 2023: \"I've tried four different ones so far\" (Source 13). An earlier conversation o…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on a conversation on September 30, 2023, you have tried four different Korean restaurants in your city (Source 13)."}]}
{"question_id":"830ce83f","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, there is conflicting information regarding Rachel's recent move.\n\nApplying the RECENCY RULE, the most recent data point is from Source 17 (Date: 2023/05/29), which states that your friend Rac…","expected":"the suburbs","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, there is conflicting information regarding Rachel's recent move.\n\nApplying the RECENCY RULE, the most recent data point is from Source 17 (Date: 2023/05/29), which states that your friend Rac…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, conflicting information exists regarding Rachel's recent relocation.\n\nApplying the RECENCY RULE:\n*   The most recent source (Source 17, Date: 2023/05/29) states that your friend Rachel \"just …"}]}
{"question_id":"852ce960","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the most recent data from November 30, 2023, you were pre-approved for a mortgage of $400,000 from Wells Fargo (Source 1, Source 34).\n\nAn earlier record from August 11, 2023, mentioned a pre-approval amount of $…","expected":"$400,000","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the most recent data from November 30, 2023, you were pre-approved for a mortgage of $400,000 from Wells Fargo (Source 1, Source 34).\n\nAn earlier record from August 11, 2023, mentioned a pre-approval amount of $…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the most recent memory context, you were pre-approved for a $400,000 mortgage from Wells Fargo. This information is from a source dated 2023/11/30 (Source 1, Source 34) and supersedes earlier mentions of a $350,…"}]}
{"question_id":"945e3d21","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you attend yoga classes three times a week.\n\nThis is stated in a conversation from November 30, 2023, where you mentioned being more focused on days you attend yoga classes, \"which is three t…","expected":"Three times a week.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you attend yoga classes three times a week.\n\nThis is stated in a conversation from November 30, 2023, where you mentioned being more focused on days you attend yoga classes, \"which is three t…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you attend yoga classes three times a week.\n\nA productivity planning session on 2023/11/30 documents your statement that you are more focused on days you attend yoga classes, which is \"three …"}]}
{"question_id":"d7c942c3","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Yes. As of April 30, 2023, your mother is using the same grocery list app as you.\n\nYou stated, \"my mom is actually using the same grocery list app as me now, so we can easily share lists and keep track of what we need\" (…","expected":"Yes.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Yes. As of April 30, 2023, your mother is using the same grocery list app as you.\n\nYou stated, \"my mom is actually using the same grocery list app as me now, so we can easily share lists and keep track of what we need\" (…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Yes. As of 2023/04/30, your mom is using the same grocery list app as you.\n\nAccording to a conversation on that date, you stated: \"my mom is actually using the same grocery list app as me now, so we can easily share list…"}]}
{"question_id":"71315a70","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you have spent 10-12 hours on your abstract ocean sculpture as of June 17, 2023.\n\nThis figure is mentioned in three separate sources from that date:\n*   **Source 2:** \"I've already spent 10-1…","expected":"10-12 hours","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you have spent 10-12 hours on your abstract ocean sculpture as of June 17, 2023.\n\nThis figure is mentioned in three separate sources from that date:\n*   **Source 2:** \"I've already spent 10-1…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you have spent 10-12 hours on your abstract ocean sculpture.\n\nThis figure is based on the most recent records, which supersede an earlier mention:\n*   **10-12 hours:** Stated on 2023/06/17 (S…"}]}
{"question_id":"89941a93","category":"knowledge-update","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you currently own 4 bikes.\n\nThis count is established in records from October 10, 2023, which supersede earlier reports from February 22, 2023, when you owned 3 bikes. The increase is from th…","expected":"4","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you currently own 4 bikes.\n\nThis count is established in records from October 10, 2023, which supersede earlier reports from February 22, 2023, when you owned 3 bikes. The increase is from th…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you currently own a total of 4 bikes.\n\n*   **As of 2023/02/22**, you owned 3 bikes: a road bike, a mountain bike, and a commuter bike (Sources 2, 8, 33).\n*   **By 2023/10/10**, you had purcha…"}]}
{"question_id":"gpt4_2655b836","category":"temporal-reasoning","correct":true,"match_type":"llm_judge","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, the first issue you had with your new car (the 2018 Honda Civic) after its first service on March 15, 2023, was an issue with the GPS system on March 22, 2023. The dealership subsequently rep…","expected":"GPS system not functioning correctly","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, the first issue you had with your new car (the 2018 Honda Civic) after its first service on March 15, 2023, was an issue with the GPS system on March 22, 2023. The dealership subsequently rep…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, the first issue you had with your new car (the 2018 Honda Civic) after its first service on March 15, 2023, was an issue with the GPS system on March 22, 2023. The dealership subsequently rep…"}]}
{"question_id":"gpt4_2487a7cb","category":"temporal-reasoning","correct":true,"match_type":"fuzzy","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you first attended the \"Data Analysis using Python\" webinar.\n\n*   **\"Data Analysis using Python\" webinar:** Attended approximately two months prior to 2023/05/26, placing it around March 26, …","expected":"'Data Analysis using Python' webinar","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you first attended the \"Data Analysis using Python\" webinar.\n\n*   **\"Data Analysis using Python\" webinar:** Attended approximately two months prior to 2023/05/26, placing it around March 26, …"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you attended the \"Data Analysis using Python\" webinar first.\n\n*   You participated in the \"Data Analysis using Python\" webinar approximately two months prior to 2023/05/26, around March 26, 2…"}]}
{"question_id":"gpt4_76048e76","category":"temporal-reasoning","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you took care of your car first in February.\n\n*   **Car:** You washed your car on February 3rd (Source 5).\n*   **Bike:** You took your hybrid bike for repairs in mid-February due to gear shif…","expected":"bike","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you took care of your car first in February.\n\n*   **Car:** You washed your car on February 3rd (Source 5).\n*   **Bike:** You took your hybrid bike for repairs in mid-February due to gear shif…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you took care of your car first in February.\n\nYou washed your car on February 3rd (Source 5). Your hybrid bike was taken in for repairs in \"mid-February\" (Source 2, 3, 34)."}]}
{"question_id":"gpt4_2312f94c","category":"temporal-reasoning","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, you got the Samsung Galaxy S22 first.\n\n*   **Samsung Galaxy S22:** You got this device on February 20th (Source 22).\n*   **Dell XPS 13:** This device arrived on February 25th (Source 2).","expected":"Samsung Galaxy S22","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you got the Samsung Galaxy S22 first.\n\n*   **Samsung Galaxy S22:** You got this device on February 20th (Source 22).\n*   **Dell XPS 13:** This device arrived on February 25th (Source 2)."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the provided memory context, you received the Samsung Galaxy S22 first.\n\nYou got the Samsung Galaxy S22 on February 20th (Source 22). The Dell XPS 13 arrived on February 25th (Source 2)."}]}
{"question_id":"0bb5a684","category":"temporal-reasoning","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"You attended the workshop on \"Effective Communication in the Workplace\" 7 days before the team meeting you were preparing for.\n\nThe workshop took place on January 10, 2023 (Sources 1, 4, 5, 6, 33, 34), and the team meeti…","expected":"7 days. 8 days (including the last day) is also acceptable.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"You attended the workshop on \"Effective Communication in the Workplace\" 7 days before the team meeting you were preparing for.\n\nThe workshop took place on January 10, 2023 (Sources 1, 4, 5, 6, 33, 34), and the team meeti…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you attended the \"Effective Communication in the Workplace\" workshop 7 days before the team meeting.\n\nThe workshop was on January 10, 2023 (Sources 1, 4, 5, 6, 33, 34), and the team meeting w…"}]}
{"question_id":"08f4fc43","category":"temporal-reasoning","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, 30 days had passed between the two events.\n\n*   **Sunday mass at St. Mary's Church:** A user mentions attending this on January 2nd (Source 3).\n*   **Ash Wednesday service at the cathedral:**…","expected":"30 days. 31 days (including the last day) is also acceptable.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, 30 days had passed between the two events.\n\n*   **Sunday mass at St. Mary's Church:** A user mentions attending this on January 2nd (Source 3).\n*   **Ash Wednesday service at the cathedral:**…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"30 days passed between the Sunday mass at St. Mary's Church and the Ash Wednesday service at the cathedral.\n\n*   **Sunday mass at St. Mary's Church:** Occurred on January 2nd, 2023 (Source 3).\n*   **Ash Wednesday service…"}]}
{"question_id":"2c63a862","category":"temporal-reasoning","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, it took 14 days.\n\nYou started working with your agent, Rachel, on February 15, 2022 (Source 8), and you saw the house you loved on March 1, 2022 (Source 23, Source 33).","expected":"14 days. 15 days (including the last day) is also acceptable.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, it took 14 days.\n\nYou started working with your agent, Rachel, on February 15, 2022 (Source 8), and you saw the house you loved on March 1, 2022 (Source 23, Source 33)."},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, it took 14 days.\n\nYou started working with your agent, Rachel, on February 15, 2022 (Source 8), and you viewed the house that \"really checks all the boxes\" on March 1, 2022 (Source 23, Source…"}]}
{"question_id":"gpt4_385a5000","category":"temporal-reasoning","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, the tomato seeds were started first.\n\n*   **Tomatoes:** The user started tomato, pepper, and cucumber seeds indoors on February 20th, 2023 (Source 6).\n*   **Marigolds:** The marigold seeds ar…","expected":"Tomatoes","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, the tomato seeds were started first.\n\n*   **Tomatoes:** The user started tomato, pepper, and cucumber seeds indoors on February 20th, 2023 (Source 6).\n*   **Marigolds:** The marigold seeds ar…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, the tomato seeds were started first.\n\nAccording to Source 6, the user began starting tomato seeds indoors on February 20th. According to Source 1, the user started the marigold seeds sometime…"}]}
{"question_id":"8a2466db","category":"single-session-preference","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":true,"generated":"Based on your stated preference for using Adobe Premiere Pro, here are resources for video editing that were previously identified in your learning session on 2023/05/29:\n\n*   **YouTube Channels:**\n    *   Premiere Bro\n …","expected":"The user would prefer responses that suggest resources specifically tailored to Adobe Premiere Pro, especially those that delve into its advanced settings. They might not prefer general video editing resources or resourc…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on your stated preference for using Adobe Premiere Pro, here are resources for video editing that were previously identified in your learning session on 2023/05/29:\n\n*   **YouTube Channels:**\n    *   Premiere Bro\n …"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on your stated preference for using Adobe Premiere Pro (Source 1), the following resources for learning video editing were identified in a session on 2023/05/29 (Source 34):\n\n*   **YouTube Channels:**\n    *   Premi…"}]}
{"question_id":"06878be2","category":"single-session-preference","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on your stated needs and research logged in memory, here are accessory recommendations to complement your current photography setup:\n\n1.  **Gear Transport:** On 2023/05/26, you researched backpack upgrades to carry…","expected":"The user would prefer suggestions of Sony-compatible accessories or high-quality photography gear that can enhance their photography experience. They may not prefer suggestions of other brands' equipment or low-quality g…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on your stated needs and research logged in memory, here are accessory recommendations to complement your current photography setup:\n\n1.  **Gear Transport:** On 2023/05/26, you researched backpack upgrades to carry…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on your stated interests and recent research, here are accessory recommendations to complement your current photography setup:\n\n*   **Tripod Upgrade:** You identified the **Manfrotto MT057CXPRO4 Carbon Fiber Tripod…"}]}
{"question_id":"75832dbd","category":"single-session-preference","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on your stated interests in the memory context, here are recommendations for publications and conferences:\n\n**1. AI, NLP, and Healthcare**\nPer your interest in AI applications in healthcare and NLP (Sources 1, 23),…","expected":"The user would prefer suggestions related to recent research papers, articles, or conferences that focus on artificial intelligence in healthcare, particularly those that involve deep learning for medical image analysis.…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on your stated interests in the memory context, here are recommendations for publications and conferences:\n\n**1. AI, NLP, and Healthcare**\nPer your interest in AI applications in healthcare and NLP (Sources 1, 23),…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on your stated interests, here are recommendations for recent publications and conferences mentioned in the memory context:\n\n**1. AI in Healthcare (from 2023/05/30):**\n*   **Publications:**\n    *   \"A Survey on Art…"}]}
{"question_id":"0edc2aef","category":"single-session-preference","correct":true,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on your stated preferences, I recommend searching on Airbnb for your upcoming trip to Miami.\n\nThis recommendation is based on the following data points from your memory:\n\n1.  **Stated Preference for Airbnb:** On yo…","expected":"The user would prefer suggestions of hotels in Miami that offer great views, possibly of the ocean or the city skyline, and have unique features such as a rooftop pool or a hot tub on the balcony. They may not prefer sug…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on your stated preferences, I recommend searching on Airbnb for your upcoming trip to Miami.\n\nThis recommendation is based on the following data points from your memory:\n\n1.  **Stated Preference for Airbnb:** On yo…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on your stated preferences, I can provide a recommendation for the type of hotel you would enjoy for your upcoming trip to Miami.\n\nYour travel planning history, particularly for your Seattle trip, indicates a stron…"}]}
{"question_id":"35a27287","category":"single-session-preference","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, there are no specific cultural events listed for this upcoming weekend (June 3-4, 2023).\n\nHowever, an event is scheduled for the following week in your area (NYC) that aligns with your stated…","expected":"The user would prefer responses that suggest cultural events where they can practice their language skills, particularly Spanish and French. They would also appreciate if the event has a focus on language learning resour…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on the memory context, there are no specific cultural events listed for this upcoming weekend (June 3-4, 2023).\n\nHowever, an event is scheduled for the following week in your area (NYC) that aligns with your stated…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on the provided memory context, there are no specific cultural events listed for this upcoming weekend (June 3-4, 2023).\n\nHowever, the context does mention two events scheduled for June that align with your stated …"}]}
{"question_id":"32260d93","category":"single-session-preference","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on your stated preferences, a recommendation can be generated.\n\nOn 2023/05/29, you expressed a craving for a show similar to \"Stranger Things,\" which you had just finished watching (Source 9). You were subsequently…","expected":"The user would prefer recommendations for stand-up comedy specials on Netflix, especially those that are known for their storytelling. They may not prefer recommendations for other genres or platforms.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on your stated preferences, a recommendation can be generated.\n\nOn 2023/05/29, you expressed a craving for a show similar to \"Stranger Things,\" which you had just finished watching (Source 9). You were subsequently…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on your stated preferences, a recommendation can be formulated.\n\nOn 2023/05/29, you stated that you had just finished \"Stranger Things\" and were \"craving something similar\" (Source 9). In the same conversation, you…"}]}
{"question_id":"195a1a1b","category":"single-session-preference","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on your stated preferences and activities, here are some recommendations for evening activities:\n\n*   **Social Activities:** You have expressed enjoyment in going to bars with friends (Source 1) and are interested …","expected":"The user would prefer suggestions that involve relaxing activities that can be done in the evening, preferably before 9:30 pm. They would not prefer suggestions that involve using their phone or watching TV, as these act…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on your stated preferences and activities, here are some recommendations for evening activities:\n\n*   **Social Activities:** You have expressed enjoyment in going to bars with friends (Source 1) and are interested …"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on your stated preferences and activities, here are some recommendations for evening activities:\n\n1.  **Creative Practice:** You have an established routine of practicing guitar for about 30 minutes every evening (…"}]}
{"question_id":"afdc33df","category":"single-session-preference","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on memory context, here are synthesized directives for kitchen cleanliness and organization:\n\nYou have an established post-dinner routine involving a 10-minute tidy of the kitchen, which includes wiping counters an…","expected":"The user would prefer responses that acknowledge and build upon their existing efforts to organize their kitchen, such as utilizing their new utensil holder to keep countertops clutter-free. They would also appreciate ti…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on memory context, here are synthesized directives for kitchen cleanliness and organization:\n\nYou have an established post-dinner routine involving a 10-minute tidy of the kitchen, which includes wiping counters an…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on the memory context, here is a synthesis of relevant data regarding kitchen cleanliness and organization:\n\n*   **Existing Routine:** You have previously established a daily 10-minute tidy of the kitchen after din…"}]}
{"question_id":"0a995998","category":"multi-session","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, you need to pick up or return a total of 3 clothing items.\n\nThese items are:\n*   **1 pair of boots** to be picked up from Zara following an exchange on February 5th (Source 2, Source 18, Sour…","expected":"3","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you need to pick up or return a total of 3 clothing items.\n\nThese items are:\n*   **1 pair of boots** to be picked up from Zara following an exchange on February 5th (Source 2, Source 18, Sour…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you have a total of 3 clothing items to pick up or return.\n\n*   **1 new pair of boots** to pick up from Zara (Source 2, 18, 33).\n*   **1 old pair of boots** to return to Zara (Source 18).\n*  …"}]}
{"question_id":"6d550036","category":"multi-session","correct":false,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, you have led or are currently leading a total of 7 projects.\n\n1.  **Marketing Research Class Project:** You led the data analysis team for a new product launch market analysis (Source 34).\n2.…","expected":"2","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on the memory context, you have led or are currently leading a total of 7 projects.\n\n1.  **Marketing Research Class Project:** You led the data analysis team for a new product launch market analysis (Source 34).\n2.…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on the memory context, you have led or are currently leading a total of 7 projects.\n\n1.  **Verde Fashion Co.:** Your sustainable fashion brand. (Source: 34)\n2.  **E-commerce Platform:** A new platform you are setti…"}]}
{"question_id":"gpt4_59c863d7","category":"multi-session","correct":false,"match_type":"llm_judge","replay_stable":true,"baseline_correct":false,"generated":"Based on the provided memory, you have worked on or bought a total of 6 specific model kits.\n\nThe following kits are identified:\n*   **1x Revell F-15 Eagle kit:** Acquired in late April 2023; build is complete (Source 3,…","expected":"I have worked on or bought five model kits. The scales of the models are: Revell F-15 Eagle (scale not mentioned), Tamiya 1/48 scale Spitfire Mk.V, 1/16 scale German Tiger I tank, 1/72 scale B-29 bomber, and 1/24 scale '…","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"MISS","answer":"Based on the provided memory, you have worked on or bought a total of 6 specific model kits.\n\nThe following kits are identified:\n*   **1x Revell F-15 Eagle kit:** Acquired in late April 2023; build is complete (Source 3,…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"MISS","answer":"Based on the provided memory, you have worked on or bought a total of 6 specific model kits.\n\nHere is the enumeration of each kit:\n\n1.  **Revell F-15 Eagle kit:** Mentioned as recently finished (Source 3, Source 33).\n2. …"}]}
{"question_id":"b5ef892d","category":"multi-session","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, you have spent a total of 8 days on camping trips in the United States this year.\n\nThis total is derived from the following trips:\n*   **5 days:** A camping trip to Yellowstone National Park …","expected":"8 days.","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you have spent a total of 8 days on camping trips in the United States this year.\n\nThis total is derived from the following trips:\n*   **5 days:** A camping trip to Yellowstone National Park …"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the provided memory context, you have spent a total of 8 days on camping trips in the United States this year.\n\nThis total is derived from the following trips:\n*   **5 days:** A camping trip to Yellowstone Natio…"}]}
{"question_id":"e831120c","category":"multi-session","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the memory context, it took you a total of 3.5 weeks to watch the Marvel Cinematic Universe movies and the main Star Wars films.\n\nThis is the breakdown:\n*   **Marvel Cinematic Universe:** You watched 22 MCU movi…","expected":"3.5 weeks","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, it took you a total of 3.5 weeks to watch the Marvel Cinematic Universe movies and the main Star Wars films.\n\nThis is the breakdown:\n*   **Marvel Cinematic Universe:** You watched 22 MCU movi…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, it took you a total of 3.5 weeks to watch the Marvel Cinematic Universe movies and the main Star Wars films.\n\nThis is calculated as follows:\n*   **Marvel Cinematic Universe:** You watched the…"}]}
{"question_id":"3a704032","category":"multi-session","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, you acquired a total of 3 plants in the last month.\n\nThe instances are:\n*   **1 Snake plant:** Acquired from your sister in \"April 2023\" (Source 33). The date is imprecise and cannot be demon…","expected":"3","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you acquired a total of 3 plants in the last month.\n\nThe instances are:\n*   **1 Snake plant:** Acquired from your sister in \"April 2023\" (Source 33). The date is imprecise and cannot be demon…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the provided memory context, you acquired a total of 3 plants in the last month.\n\nThe instances are:\n*   **1 Snake plant:** Acquired from your sister in \"April 2023\" (Source 33). The date is imprecise but is cou…"}]}
{"question_id":"gpt4_d84a3211","category":"multi-session","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":true,"generated":"Based on the provided memory, you have spent a total of $185.00 on bike-related expenses since the start of the year.\n\nThis total comprises the following recorded purchases:\n*   **$120.00:** Bell Zephyr helmet on 2023/04…","expected":"$185","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the provided memory, you have spent a total of $185.00 on bike-related expenses since the start of the year.\n\nThis total comprises the following recorded purchases:\n*   **$120.00:** Bell Zephyr helmet on 2023/04…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the memory context, you have spent a total of $185.00 on bike-related expenses since the start of the year.\n\nThis total is composed of the following expenses, all listed in Source 33:\n*   **$120.00:** Bell Zephy…"}]}
{"question_id":"aae3761f","category":"multi-session","correct":true,"match_type":"exact","replay_stable":true,"baseline_correct":false,"generated":"Based on the memory context, you spent a total of 15 hours driving to three road trip destinations.\n\nHere is the breakdown:\n*   **6 hours:** Driving to Washington D.C. (Source 1)\n*   **5 hours:** Driving to the mountains…","expected":"15 hours for getting to the three destinations (or 30 hours for the round trip)","runs":[{"log":"lexical-2026-08/runs/duel-full-lexfusion.json","verdict":"HIT","answer":"Based on the memory context, you spent a total of 15 hours driving to three road trip destinations.\n\nHere is the breakdown:\n*   **6 hours:** Driving to Washington D.C. (Source 1)\n*   **5 hours:** Driving to the mountains…"},{"log":"lexical-2026-08/runs/duel-full-lexfusion-r2.json","verdict":"HIT","answer":"Based on the provided memory, you spent a total of 15 hours driving to three road trip destinations.\n\nThis total is calculated from the following trips:\n*   **6 hours** to Washington D.C. (Source 1)\n*   **5 hours** to th…"}]}