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Record 52ea26a5097147a0a3df54c3eaa35e0c

FAIL

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

✕FAILanswered "conference room" · model gpt-oss-120b

finish_reason: stop · tokens in/out: 216/859 · cost: $0.000548 · latency: 2249.4 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 52ea26a5

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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 527 chars · 216 tokens in
At 8:01, Jamal brought the dusty wrench over to the conference room. At 8:02, Elliot brought the red basket over to the conference room. At 8:00, Iris moved the dusty wrench into the east wing. At 8:00, he happened to be watching. At 8:04, he reorganized some papers on the desk. At 8:05, Iris refilled a cup of coffee. At 8:06, he checked their email. At 8:03, he moved the red basket into the east wing.

Where does Elliot believe the dusty wrench is? Answer with only the location name (or 'unknown' if they have no belief).
Response 859 tokens out · finish: stop
conference room
Reasoning 3,293 chars
Model reasoning
We need to parse the scenario. It's a belief reasoning problem. Entities: Jamal, Elliot, Iris, "he" (who is "he"? Probably Iris? Actually Iris is a name, but "he" refers to someone else. Let's read: "At 8:00, Iris moved the dusty wrench into the east wing. At 8:00, he happened to be watching." So "he" is someone watching at 8:00. Who is "he"? Could be Jamal? But Jamal appears at 8:01 bringing wrench to conference room. So at 8:00, before Jamal brings wrench, Iris moves wrench to east wing. "He" is watching. Who is watching? Could be Elliot? Not yet introduced. Could be Jamal? Not yet. Could be a generic observer. Then later: "At 8:04, he reorganized some papers on the desk." So "he" does actions at 8:04 and 8:06: "he checked their email." So "he" is a person who does those actions. Likely it's Jamal? But Jamal appears at 8:01 bringing wrench to conference room. Could Jamal have been watching at 8:00? Possibly he was present. Then at 8:04 he reorganized papers, at 8:06 checked email. That fits a person. So "he" is Jamal. So timeline:

8:00: Iris moved dusty wrench into east wing. Jamal (he) was watching.
8:01: Jamal brought dusty wrench over to conference room. Wait, but the wrench is currently in east wing (moved by Iris). How can Jamel bring it? He must think it's there? He might have belief that it's in conference room? Actually "brought the dusty wrench over to the conference room" implies he physically moved it from wherever it was to conference room. But if at 8:00 Iris moved it to east wing, then at 8:01 Jamal brings it to conference room. That would require him to have taken it from east wing. But maybe he didn't know about Iris moving it? He was watching at 8:00, so he saw Iris move it? He was watching, so he knows it's moved to east wing. Then at 8:01 he brings it to conference room, meaning he must have taken it from east wing to conference room. So after 8:01, wrench is in conference room.

8:02: Elliot brought red basket to conference room.

8:03: He moved the red basket into east wing. "He" refers to same "he" (Jamal) or maybe someone else? The pronoun "he" after 8:03 likely refers to same "he" (Jamal). So at 8:03, Jamal moved the red basket into east wing.

8:05: Iris refilled a cup of coffee.

8:06: He checked their email (Jamal).

Now question: Where does Elliot believe the dusty wrench is? Need to consider Elliot's knowledge. Elliot only appears at 8:02 bringing red basket to conference room. He hasn't observed any other events. Does he know about the wrench? He might have seen it at conference room at 8:01? Actually at 8:01 Jamal brought wrench to conference room. Elliot at 8:02 brings red basket over to conference room. At that time, the wrench is presumably in conference room (since Jamal moved it there). Did Elliot see the wrench? Possibly he was present at conference room at 8:02, after Jamal brought it. He might have seen it there. But we need to infer belief based on observations. At 8:02, Elliot arrives with basket. He may see the wrench in conference room. No later events move the wrench after 8:01. So Elliot's belief: dusty wrench is in conference room. However, we must consider if Elliot knows about later moves? No later moves of wrench. So his belief remains conference room.

Thus answer: conference room.
Realized dims 6
dimvalue
context_length7.0
coreference1.0
distractors2.0
entity_state2.0
temporal0.23809523809523808
witness_gap1.0
Latent params 6
paramvalue
chain_length2.0
coref_pressure0.0
distractor_events2.0
filler_events2.0
scramble0.25
witness_cutoff0.0