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Record f9f29d9cdcb74f64b3f62cadcfc5d1be

FAIL

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

✕FAILanswered "basement" · model Nemotron 3 Super 120B

finish_reason: stop · tokens in/out: 347/755 · cost: $0.000368 · latency: 4380.6 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: f9f29d9c

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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 1,128 chars · 347 tokens in
At 8:00, Aria moved the narrow wrench into the gym. At 8:00, Ingrid noticed this from across the room. At 8:01, she carried the narrow wrench to the library. At 8:02, Aria took the narrow wrench and placed it in the basement. At 8:02, Ingrid noticed this from across the room. At 8:03, Elena brought the narrow wrench over to the loading dock. At 8:03, Ingrid was nearby and saw this happen. At 8:04, Elena took the narrow wrench and placed it in the print room. At 8:04, Ingrid was nearby and saw this happen. At 8:05, Elena moved the narrow wrench into the courtyard. At 8:05, Ingrid noticed this from across the room. At 8:06, Elena carried the narrow wrench to the basement. At 8:06, Ingrid noticed this from across the room. At 8:07, she took the narrow wrench and placed it in the east wing. At 8:08, she took the cracked box and placed it in the gym. At 8:09, Elena moved the cracked box into the basement. At 8:10, Aria reorganized some papers on the desk. At 8:11, Elena refilled a cup of coffee.

Where does Ingrid believe the narrow wrench is? Answer with only the location name (or 'unknown' if they have no belief).
Response 755 tokens out · finish: stop

basement
Reasoning 2,887 chars
Model reasoning
We need to parse events and track what Ingrid believes about the narrow wrench's location based on her observations. She notices certain actions; we assume that when she "noticed" or "saw", she knows where the object ended up after that action? Let's interpret:

- At 8:00, Aria moved the narrow wrench into the gym. At 8:00, Ingrid noticed this from across the room.
So at 8:00, Ingrid sees Aria moving the wrench into the gym => she believes wrench is now in gym.

- At 8:01, she [Ingrid] carried the narrow wrench to the library. Wait: The text says "she carried the narrow wrench to the library." Who is "she"? Likely Ingrid? Actually earlier subject: At 8:00, Aria moved... At 8:00, Ingrid noticed... At 8:01, she carried the narrow wrench to the library. Since previous sentence mentions Ingrid noticing, likely "she" refers to Ingrid. So Ingrid carries the wrench to library at 8:01. Then presumably she knows she moved it there, so she believes it's in library.

But then later: At 8:02, Aria took the narrow wrench and placed it in the basement. At 8:02, Ingrid noticed this from across the room. So Ingrid observes Aria taking wrench from somewhere (presumably from library?) and placing it in basement. So Ingrid updates belief: wrench now in basement.

At 8:03, Elena brought the narrow wrench over to the loading dock. At 8:03, Ingrid was nearby and saw this happen. So Ingrid sees Elena bring wrench to loading dock => belief: wrench in loading dock.

At 8:04, Elena took the narrow wrench and placed it in the print room. At 8:04, Ingrid was nearby and saw this happen. So belief: wrench in print room.

At 8:05, Elena moved the narrow wrench into the courtyard. At 8:05, Ingrid noticed this from across the room. Belief: wrench in courtyard.

At 8:06, Elena carried the narrow wrench to the basement. At 8:06, Ingrid noticed this from across the room. Belief: wrench in basement.

At 8:07, she took the narrow wrench and placed it in the east wing. Who is "she"? Probably Elena? Or maybe Ingrid? Need context: After 8:06 event, last actor mentioned is Elena carrying wrench to basement. Next line: "At 8:07, she took the narrow wrench and placed it in the east wing." Could be Elena again (since she just had it). If Elena takes wrench from basement to east wing. Ingrid didn't notice? No mention of Ingrid noticing at 8:07. So Ingrid does not observe this action. Therefore Ingrid's belief remains whatever she last observed: at 8:06 she saw Elena carry wrench to basement, so she believes wrench is in basement. Unless she inferred something else? She didn't see the move to east wing, so she still thinks it's in basement.

Then at 8:08, she took the cracked box and placed it in the gym. This is about cracked box, irrelevant.

At 8:09, Elena moved the cracked box into the basement. Irrelevant.

Thus Ingrid's belief about narrow wrench: basement.

Answer: basement.
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context_length12.0
coreference3.0
distractors2.0
entity_state8.0
temporal0.0
Latent params 5
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chain_length8.0
coref_pressure0.0
distractor_events2.0
filler_events2.0
scramble0.0