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Record 3275a27ac4b24988852a1c055b814ef8

FAIL

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

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

finish_reason: stop · tokens in/out: 427/638 · cost: $0.000321 · latency: 5802.5 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 3275a27a

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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 1,497 chars · 427 tokens in
At 8:00, Felix carried the cracked tablet to the photo studio. At 8:01, Elliot took the cracked tablet and placed it in the boiler room. At 8:02, Oscar moved the heavy tablet into the meditation room. At 8:03, he brought the heavy tablet over to the boiler room. At 8:04, he carried the heavy tablet to the print room. At 8:05, Felix carried the heavy tablet to the meditation room. At 8:06, Oscar brought the heavy tablet over to the print room. At 8:07, Felix moved the heavy tablet into the meditation room. At 8:08, Elliot brought the heavy tablet over to the photo studio. At 8:09, Felix brought the heavy tablet over to the meditation room. At 8:10, Oscar carried the heavy tablet to the photo studio. At 8:11, Felix took the heavy tablet and placed it in the meditation room. At 8:12, Elliot carried the heavy tablet to the photo studio. At 8:13, Felix moved the heavy tablet into the print room. At 8:14, he took the heavy tablet and placed it in the meditation room. At 8:15, he brought the heavy tablet over to the print room. At 8:16, Oscar brought the heavy tablet over to the photo studio. At 8:17, Elliot moved the heavy tablet into the boiler room. At 8:18, Oscar carried the heavy tablet to the meditation room. At 8:19, Felix carried the heavy tablet to the boiler room. At 8:20, he reorganized some papers on the desk. At 8:21, he refilled a cup of coffee.

Where does Oscar believe the cracked tablet is? Answer with only the location name (or 'unknown' if they have no belief).
Response 638 tokens out · finish: stop

unknown
Reasoning 2,725 chars
Model reasoning
We need to parse scenario: There's a cracked tablet initially at time 8:00 when Felix carried the cracked tablet to the photo studio. Then at 8:01, Elliot took the cracked tablet and placed it in the boiler room. So after that, cracked tablet is in boiler room.

Then from 8:02 onward, actions refer to "heavy tablet". Likely there are two tablets: one cracked, one heavy. The later events involve moving the heavy tablet around. No further mention of cracked tablet after 8:01. So we need to determine where Oscar believes the cracked tablet is based on his knowledge/observations up to each point? We must infer what Oscar knows about the cracked tablet given his observations/actions.

Oscar appears in timeline:

- At 8:02: Oscar moved the heavy tablet into the meditation room.
- At 8:03: he brought the heavy tablet over to the boiler room.
- At 8:04: he carried the heavy tablet to the print room.
- At 8:06: Oscar brought the heavy tablet over to the print room.
- At 8:10: Oscar carried the heavy tablet to the photo studio.
- At 8:16: Oscar brought the heavy tablet over to the photo studio.
- At 8:18: Oscar carried the heavy tablet to the meditation room.

Thus Oscar never interacts with cracked tablet; only sees heavy tablet moves. He may have observed earlier events? Did Oscar see Felix carrying cracked tablet to photo studio at 8:00? Not stated but could be assumed visible? Usually these puzzles assume agents only know what they directly observe or are told. Need to decide.

The question: "Where does Oscar believe the cracked tablet is?" Based on his knowledge up to final time (8:21?). Since Oscar never interacted with cracked tablet, and maybe didn't see its movement, his belief might be unknown or based on last known location he knows.

If Oscar saw Felix carry cracked tablet to photo studio at 8:00, then he would think it's in photo studio until he sees Elliot take it to boiler room at 8:01. Did Oscar see that? Not mentioned. If he didn't see Elliot's action, he might still think it's in photo studio. But if he saw Felix's action, he knows it was moved to photo studio at 8:00. After that, unless he sees Elliot's action, he believes it remains there.

But typical logic puzzle: Agents only know about actions they perform or observe directly. Since Oscar's actions are only about heavy tablet, he never observes cracked tablet movements. Thus he has no belief about cracked tablet location -> unknown.

Thus answer: unknown.

Check if any inference: At 8:00 Felix carried cracked tablet to photo studio. Oscar not present? Not said. At 8:01 Elliot took cracked tablet and placed it in boiler room. Oscar not said to observe. So Oscar has no info. So belief unknown.

Thus output: unknown.
Realized dims 5
dimvalue
context_length22.0
coreference3.0
distractors18.0
entity_state2.0
temporal0.0
Latent params 5
paramvalue
chain_length2.0
coref_pressure0.0
distractor_events18.0
filler_events2.0
scramble0.0