Record 152568cbade549b9885ba237b81fd566

FAIL

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

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

finish_reason: stop · tokens in/out: 299/286 · cost: $0.000153 · latency: 2838.9 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 152568cb

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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 1,007 chars · 299 tokens in

At 8:00, Ivo brought the sturdy basket over to the gym. At 8:01, Tobias moved the sturdy basket into the print room. At 8:02, Ivo carried the faded folder to the gym. At 8:03, Tobias carried the faded folder to the observation deck. At 8:04, Ivo carried the faded folder to the gym. At 8:05, Lucas carried the faded folder to the observation deck. At 8:06, Tobias moved the faded folder into the print room. At 8:07, Ivo moved the faded folder into the observation deck. At 8:08, Lucas took the faded folder and placed it in the print room. At 8:09, Ivo carried the faded folder to the utility closet. At 8:10, he brought the faded folder over to the print room. At 8:11, Tobias brought the faded folder over to the utility closet. At 8:12, Ivo carried the faded folder to the observation deck. At 8:13, Tobias reorganized some papers on the desk. At 8:14, he refilled a cup of coffee.

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

Response 286 tokens out · finish: stop


unknown

Reasoning 1,217 chars

Model reasoning

We need to parse scenario: characters moving items. Need to infer beliefs about where each person thinks an object is based on their actions and observations. The question: Where does Lucas believe the sturdy basket is? We must consider what Lucas knows/observed regarding the sturdy basket.

Given timeline:

- At 8:00, Ivo brought the sturdy basket over to the gym.
- At 8:01, Tobias moved the sturdy basket into the print room.
Thus after 8:01, sturdy basket is in print room (assuming moves reflect actual location).

Later events involve faded folder; no further mention of sturdy basket after 8:01. So we need to see if Lucas ever observed or interacted with sturdy basket. No mentions of Lucas interacting with sturdy basket at any time. He interacts with faded folder later (8:05, 8:08). So Lucas never saw the sturdy basket being moved; his last knowledge maybe from earlier? Did he ever see it initially? Not mentioned. At start, before 8:00, unknown where basket was. He might have no belief. Since he never observed it, he has no belief about its location. Unless we assume default belief that objects stay where they were last seen by him, but he never saw it. So answer: unknown.

Thus output "unknown".

Realized dims 5

dim	value
context_length	15.0
coreference	3.0
distractors	11.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	11.0
filler_events	2.0
scramble	0.0