Record 4c240fb2d8324e638aa430acc6919d0f

FAIL

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

back to run →

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

finish_reason: stop · tokens in/out: 703/490 · cost: $0.000399 · latency: 8784.5 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 4c240fb2

← prev trial · trial 158 of 214 · next trial →

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 2,314 chars · 703 tokens in

At 8:00, Vera brought the small tablet over to the conference room. At 8:01, Quinn brought the small tablet over to the break room. At 8:02, Dana brought the small tablet over to the conference room. At 8:03, Maya brought the small tablet over to the wine cellar. At 8:04, Wren brought the small tablet over to the archive room. At 8:05, she moved the small tablet into the supply closet. At 8:06, Dana brought the small tablet over to the conference room. At 8:07, Quinn moved the small tablet into the archive room. At 8:08, Dana took the small tablet and placed it in the break room. At 8:09, Quinn brought the small tablet over to the supply closet. At 8:10, Roman carried the small basket to the rooftop terrace. At 8:11, Dana moved the small basket into the lobby. At 8:12, Maya carried the small basket to the break room. At 8:13, Felix brought the small basket over to the south stairwell. At 8:14, Ivo moved the small basket into the wine cellar. At 8:15, Wren moved the small basket into the conference room. At 8:16, Roman moved the small basket into the lobby. At 8:17, Felix carried the small basket to the archive room. At 8:18, Quinn brought the small basket over to the break room. At 8:19, Wren brought the small basket over to the east wing. At 8:20, Ivo brought the small basket over to the break room. At 8:21, Roman took the small basket and placed it in the supply closet. At 8:22, Quinn brought the small basket over to the break room. At 8:23, Ivo took the small basket and placed it in the archive room. At 8:24, Maya brought the small basket over to the library. At 8:25, Felix moved the small basket into the supply closet. At 8:26, Ivo brought the small basket over to the break room. At 8:27, Dana brought the small basket over to the server room. At 8:28, Wren brought the small basket over to the wine cellar. At 8:29, Roman moved the small basket into the south stairwell. At 8:30, she reorganized some papers on the desk. At 8:31, she refilled a cup of coffee. At 8:32, Felix checked their email. At 8:33, Ivo checked their email. At 8:34, Roman reorganized some papers on the desk. At 8:35, Felix made a quick phone call. At 8:36, Ivo made a quick phone call.

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

Response 490 tokens out · finish: stop

unknown

Reasoning 1,990 chars

Model reasoning

We need to parse the scenario. It's a timeline of actions involving small tablet and small basket. The question: "Where does Felix believe the small tablet is?" So we need to infer Felix's belief about the tablet location based on his knowledge (what he observed). We need to consider that Felix may not have observed all moves. We need to track what Felix knows. The timeline includes many actions by various people. We need to see when Felix is present or gets info. The only mentions of Felix are:

- 8:13, Felix brought the small basket over to the south stairwell.
- 8:17, Felix carried the small basket to the archive room.
- 8:35, Felix made a quick phone call.
- 8:32, Felix checked their email.
- 8:25, Felix moved the small basket into the supply closet.
- 8:35 phone call, 8:32 email.

No mention of Felix interacting with the tablet. So his belief about tablet location would be based on prior knowledge before timeline? At start, at 8:00 Vera brought the small tablet to conference room. So initial location: conference room. Then moves: 8:01 Quinn to break room, 8:02 Dana to conference room, 8:03 Maya to wine cellar, 8:04 Wren to archive room, 8:05 she (Wren?) moved to supply closet, 8:06 Dana to conference room, 8:07 Quinn moved to archive room, 8:08 Dana placed in break room, 8:09 Quinn to supply closet. After 8:09, no further tablet moves. So final location of tablet is supply closet (by Quinn at 8:09). But does Felix know that? He hasn't observed any tablet moves. Did he see any? He appears only later at 8:13 onward, after tablet moves are done. He might have knowledge from email? The email could contain info? Not specified. We assume he hasn't been told. So his belief likely remains the initial location he knows? Did he know initial? Not mentioned. If he never saw tablet, his belief is unknown. However typical puzzle: each person only knows about items they moved or observed. Felix never saw tablet, so he has no belief => unknown.

Thus answer: unknown.

Realized dims 5

dim	value
context_length	37.0
coreference	13.0
distractors	20.0
entity_state	10.0
temporal	0.0

Latent params 5

param	value
chain_length	10.0
coref_pressure	5.0
distractor_events	20.0
filler_events	2.0
scramble	0.0