Record 707d4bda527d465c83c97a721411eefa

FAIL

Verdict and provenance first; raw prompt/response/reasoning below, collapsed.

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✕FAILanswered "reception area" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 703/441 · cost: $0.000370 · latency: 3796.7 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 707d4bda

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Why did it fail? Nemotron 3 Ultra · live on Nebius Token Factory

Ultra reads the prompt, this answer, the verified correct answer and the difficulty settings, then explains the mistake. The verifier's own classification is shown next to it for comparison.

Prompt 2,335 chars · 703 tokens in

At 8:19, Felix brought the small folder over to the library. At 8:20, Nolan carried the small folder to the break room. At 8:21, David brought the small folder over to the basement. At 8:22, Nolan took the small folder and placed it in the meditation room. At 8:23, David took the small folder and placed it in the atrium. At 8:24, Elena brought the small folder over to the break room. At 8:25, Greta brought the small folder over to the library. At 8:26, Aria took the small folder and placed it in the break room. At 8:27, Elena took the small folder and placed it in the basement. At 8:28, she brought the small folder over to the security office. At 8:29, Felix carried the small folder to the basement. At 8:30, Hugo reorganized some papers on the desk. At 8:32, Noor checked their email. At 8:18, he took the small folder and placed it in the security office. At 8:33, Elena checked their email. At 8:34, Greta reorganized some papers on the desk. At 8:35, Aria made a quick phone call. At 8:36, Noor made a quick phone call. At 8:31, Aria refilled a cup of coffee. At 8:00, Felix brought the blue basket over to the reception area. At 8:01, she moved the blue basket into the security office. At 8:02, she brought the blue basket over to the meditation room. At 8:03, Greta brought the blue basket over to the lobby. At 8:04, Noor carried the blue basket to the reception area. At 8:05, Greta took the blue basket and placed it in the meditation room. At 8:06, Elena took the blue basket and placed it in the security office. At 8:07, Greta took the blue basket and placed it in the utility closet. At 8:08, Felix moved the blue basket into the break room. At 8:09, Hugo carried the blue basket to the utility closet. At 8:10, David carried the small folder to the utility closet. At 8:11, Aria moved the small folder into the gym. At 8:12, she took the small folder and placed it in the break room. At 8:13, Nolan brought the small folder over to the lobby. At 8:14, Noor brought the small folder over to the library. At 8:15, Felix moved the small folder into the break room. At 8:16, Elena carried the small folder to the basement. At 8:17, David took the small folder and placed it in the utility closet.

Where does Noor believe the blue basket is? Answer with only the location name (or 'unknown' if they have no belief).

Response 441 tokens out · finish: stop

reception area

Reasoning 1,795 chars

Model reasoning

We need to parse the timeline and determine Noor's belief about the blue basket location. We have events with timestamps, some out of order. Need to track Noor's observations and actions that would affect belief. The question: "Where does Noor believe the blue basket is?" So we need to infer based on Noor's knowledge (what they saw or did). We have events: at 8:04, Noor carried the blue basket to the reception area. At 8:00-8:10 etc. Also at 8:32, Noor checked their email. At 8:36, Noor made a quick phone call. Those may not affect belief about basket. Also at 8:18, "he took the small folder and placed it in the security office." That is ambiguous pronoun; likely refers to someone earlier? At 8:18, "he" maybe refers to someone previously mentioned? The timeline is messy. But we only care about Noor's belief about blue basket.

We need to consider what Noor knows. At 8:04, Noor carried the blue basket to the reception area. So Noor knows that after they carried it, it's at reception area. Did any later events move the blue basket? Yes: 8:05 Greta took the blue basket and placed it in the meditation room. 8:06 Elena took the blue basket and placed it in the security office. 8:07 Greta took the blue basket and placed it in the utility closet. 8:08 Felix moved the blue basket into the break room. 8:09 Hugo carried the blue basket to the utility closet. So after 8:04, many others moved it. Does Noor see those moves? Not indicated. Noor's later actions: at 8:32 checked email, 8:36 phone call. No mention of seeing basket. So Noor's belief likely remains that the basket is at reception area (where they placed it). Unless they later observed something else. There's no event where Noor interacts with basket after 8:04. So belief: reception area.

Thus answer: reception area.

Realized dims 5

dim	value
context_length	37.0
coreference	12.0
distractors	20.0
entity_state	10.0
temporal	0.5405405405405406

Latent params 5

param	value
chain_length	10.0
coref_pressure	5.0
distractor_events	20.0
filler_events	2.0
scramble	1.0