Record 57787fdd04f54c249139ea6dfe3509f0

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: 255/371 · cost: $0.000261 · latency: 5786.0 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 57787fdd

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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 691 chars · 255 tokens in

At 8:00, Ingrid brought the shiny folder over to the garage. At 8:01, Maya carried the shiny folder to the north stairwell. At 8:02, she carried the shiny folder to the print room. At 8:03, Ingrid moved the shiny folder into the workshop. At 8:04, Maya brought the shiny folder over to the east wing. At 8:05, Ingrid moved the shiny folder into the archive room. At 8:06, Omar carried the green folder to the east wing. At 8:07, she carried the green folder to the archive room. At 8:08, Maya reorganized some papers on the desk. At 8:09, Ingrid refilled a cup of coffee.

Where does Omar believe the shiny folder is? Answer with only the location name (or 'unknown' if they have no belief).

Response 371 tokens out · finish: stop

unknown

Reasoning 1,548 chars

Model reasoning

We need to infer Omar's belief about the shiny folder location based on events and possibly perspective. Omar only appears at 8:06 and 8:07 moving the green folder. He didn't see the shiny folder moves after 8:05? Let's timeline:

8:00 Ingrid brings shiny folder to garage.
8:01 Maya carries shiny folder to north stairwell.
8:02 Maya carries shiny folder to print room.
8:03 Ingrid moves shiny folder into workshop.
8:04 Maya brings shiny folder to east wing.
8:05 Ingrid moves shiny folder into archive room.
8:06 Omar carried the green folder to east wing.
8:07 she carried the green folder to the archive room.
8:08 Maya reorganized some papers on the desk. (no mention of shiny folder)
8:09 Ingrid refilled a cup of coffee.

So the shiny folder ends up in archive room at 8:05. Omar's last observation is at 8:06 moving green folder; does Omar know about shiny folder location? He might have observed earlier? Not mentioned. At 8:06, Omar is moving green folder; does he see shiny folder? Not indicated. So Omar's belief about shiny folder location would be based on his knowledge up to that point. He hasn't observed any moves of shiny folder after 8:05, but he may not have known about moves before 8:06? The problem likely expects that Omar hasn't seen any of the shiny folder moves, so his belief is unknown. However, maybe he saw the shiny folder at 8:04 when Maya brought it to east wing? But Omar wasn't present. Only events mention who does actions. If Omar wasn't present, he wouldn't know. So answer: unknown.

Thus output "unknown".

Realized dims 5

dim	value
context_length	10.0
coreference	1.0
distractors	2.0
entity_state	6.0
temporal	0.0

Latent params 5

param	value
chain_length	6.0
coref_pressure	0.0
distractor_events	2.0
filler_events	2.0
scramble	0.0