Record 6377ed0ffd914f3a88f5c9190508c011

FAIL

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

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✕FAILanswered "unknown" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 235/304 · cost: $0.000218 · latency: 5430.3 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 6377ed0f

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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 596 chars · 235 tokens in

At 8:00, Wren carried the heavy tablet to the utility closet. At 8:01, she took the heavy tablet and placed it in the meditation room. At 8:02, Rosa brought the green basket over to the boiler room. At 8:03, Juno moved the green basket into the utility closet. At 8:04, Ingrid reorganized some papers on the desk. At 8:05, Jasper refilled a cup of coffee. At 8:06, Juno checked their email. At 8:07, Wren checked their email. At 8:08, Rosa reorganized some papers on the desk.

Where does Rosa believe the heavy tablet is? Answer with only the location name (or 'unknown' if they have no belief).

Response 304 tokens out · finish: stop

unknown

Reasoning 1,198 chars

Model reasoning

We need to infer beliefs. The scenario: actions and observations. We need to know what Rosa believes about the heavy tablet location. We have timeline of events. Need to track what Rosa knows. She sees some events? Typically, each person knows only what they observed directly. At 8:00 Wren carried heavy tablet to utility closet. Rosa not present? Not mentioned. At 8:01 Wren placed heavy tablet in meditation room. Rosa not present. At 8:02 Rosa brought green basket to boiler room. She is present there. At 8:03 Juno moved green basket into utility closet. Rosa not present. At 8:04 Ingrid reorganized papers on desk. Not relevant. At 8:05 Jasper refilled coffee. At 8:06 Juno checked email. At 8:07 Wren checked email. At 8:08 Rosa reorganized papers on desk. So Rosa's last action is reorganizing papers on desk at 8:08. She hasn't observed the heavy tablet after 8:01. Does she have any belief about its location? She might have a default belief that it stays where she last saw it, but she never saw it. So she has no belief. So answer 'unknown'.

But maybe she could infer from others? She sees Juno checking email at 8:06, but not moving tablet. No info. So unknown.

Thus answer: unknown.

Realized dims 5

dim	value
context_length	9.0
coreference	6.0
distractors	2.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	3.0
distractor_events	2.0
filler_events	2.0
scramble	0.0