Record 418caf3d172c4cdcaa814e7f343fa0bf

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: 417/348 · cost: $0.000190 · latency: 7339.2 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 418caf3d

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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 1,323 chars · 417 tokens in

At 8:00, Felix carried the small tablet to the utility closet. At 8:01, he carried the small tablet to the atrium. At 8:02, he brought the sturdy box over to the south stairwell. At 8:03, Gideon moved the sturdy box into the utility closet. At 8:04, he brought the sturdy box over to the print room. At 8:05, Felix brought the sturdy box over to the atrium. At 8:06, Gideon took the sturdy box and placed it in the south stairwell. At 8:07, he took the sturdy box and placed it in the atrium. At 8:08, Felix took the sturdy box and placed it in the print room. At 8:09, he brought the sturdy box over to the atrium. At 8:10, Gideon took the sturdy box and placed it in the south stairwell. At 8:11, he carried the sturdy box to the atrium. At 8:12, Felix carried the sturdy box to the south stairwell. At 8:13, Hana took the sturdy box and placed it in the atrium. At 8:14, he moved the sturdy box into the print room. At 8:15, he carried the sturdy box to the atrium. At 8:16, Gideon took the sturdy box and placed it in the south stairwell. At 8:17, Felix took the sturdy box and placed it in the print room. At 8:18, Gideon reorganized some papers on the desk. At 8:19, Hana refilled a cup of coffee.

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

Response 348 tokens out · finish: stop


unknown

Reasoning 1,518 chars

Model reasoning

We need to parse scenario: There's a small tablet initially at unknown location? The actions mention "small tablet" only at times 8:00 and 8:01 by Felix moving it from utility closet to atrium. No other mentions of small tablet after that. So we track its location based on those moves.

Assume initial location before 8:00? Not given; but at 8:00 Felix carried the small tablet to the utility closet. That implies he picked it up somewhere else and moved it to utility closet. But we don't know where he got it from. However for belief tracking, we consider what each agent knows about object locations based on their observations. Usually these puzzles assume agents only know about actions they witness or perform. We need to infer Hana's belief about small tablet.

Hana appears at 8:13: "Hana took the sturdy box and placed it in the atrium." Then later she moves things etc. She never interacts with small tablet. She also at 8:19 refills coffee. No mention of her seeing small tablet movements.

Thus Hana has no information about small tablet after its last known movement (which she didn't witness). Did she ever see the small tablet? At 8:00-8:01 Felix moved small tablet from utility closet to atrium. Hana was not present then (no mention). So she never observed the small tablet. Therefore she has no belief about its location; answer "unknown".

But check if any inference: She might know that Felix moved small tablet to atrium at 8:01 if she saw Felix? Not mentioned. So unknown.

Thus answer: unknown.

Realized dims 5

dim	value
context_length	20.0
coreference	1.0
distractors	16.0
entity_state	2.0
temporal	0.0

Latent params 5

param	value
chain_length	2.0
coref_pressure	0.0
distractor_events	16.0
filler_events	2.0
scramble	0.0