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Record 9aeca433422d461b9a1a4a938a18f309

FAIL

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

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

finish_reason: stop · tokens in/out: 528/364 · cost: $0.000206 · latency: 5426.3 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 9aeca433

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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 1,730 chars · 528 tokens in
At 8:15, Oscar carried the faded folder to the east wing. At 8:16, Quentin moved the faded folder into the supply closet. At 8:17, Milo moved the faded folder into the lobby. At 8:18, Iris moved the faded folder into the supply closet. At 8:19, Priya moved the faded folder into the server room. At 8:20, Kira carried the faded folder to the lobby. At 8:22, Quentin reorganized some papers on the desk. At 8:14, he carried the faded folder to the lobby. At 8:23, he refilled a cup of coffee. At 8:24, Noor checked their email. At 8:25, Kira checked their email. At 8:26, Iris reorganized some papers on the desk. At 8:27, Priya made a quick phone call. At 8:28, Noor made a quick phone call. At 8:21, she carried the faded folder to the east wing. At 8:00, Kira moved the sturdy tablet into the lobby. At 8:01, Noor brought the sturdy tablet over to the server room. At 8:02, Priya took the faded folder and placed it in the lobby. At 8:03, she carried the faded folder to the server room. At 8:04, Kira carried the faded folder to the supply closet. At 8:05, Oscar took the faded folder and placed it in the server room. At 8:06, Iris took the faded folder and placed it in the lobby. At 8:07, Kira moved the faded folder into the east wing. At 8:08, Priya took the faded folder and placed it in the supply closet. At 8:09, Iris brought the faded folder over to the server room. At 8:10, Oscar moved the faded folder into the lobby. At 8:11, Noor moved the faded folder into the east wing. At 8:12, he carried the faded folder to the server room. At 8:13, Milo brought the faded folder over to the east wing.

Where does Milo believe the sturdy tablet is? Answer with only the location name (or 'unknown' if they have no belief).
Response 364 tokens out · finish: stop

unknown
Reasoning 1,676 chars
Model reasoning
We need to parse scenario: multiple people moving items. The question: "Where does Milo believe the sturdy tablet is?" We must infer based on events that involve Milo's knowledge about the sturdy tablet. Need to see what actions involving Milo and the sturdy tablet are described. Also any statements about beliefs? Usually these puzzles require tracking each person's belief about object locations given they may not witness moves unless they were present or performed them. However we don't have explicit rules; typical assumption: a person knows the location of an object if they last interacted with it (moved it) or observed its placement? Or maybe they know where they left it after moving? Let's interpret: When a person moves an object, they know where they placed it. If they didn't interact, they might not know unless they saw someone else move? Not specified. Usually such puzzles assume each person only knows about actions they performed themselves (they know where they put it). They do not know about others' actions unless they observed? But there is no observation info. So likely answer: Milo never interacts with sturdy tablet at all. Check timeline for Milo and sturdy tablet:

List events:

- At 8:00, Kira moved the sturdy tablet into the lobby.
- At 8:01, Noor brought the sturdy tablet over to the server room.
- No other mentions of sturdy tablet.

Milo appears in events concerning faded folder:
- At 8:13, Milo brought the faded folder over to the east wing.
- At 8:17, Milo moved the faded folder into the lobby.
No mention of Milo interacting with sturdy tablet.

Thus Milo has no belief about sturdy tablet location => unknown.

Answer: unknown.
Realized dims 5
dimvalue
context_length29.0
coreference9.0
distractors20.0
entity_state2.0
temporal0.5517241379310345
Latent params 5
paramvalue
chain_length2.0
coref_pressure5.0
distractor_events20.0
filler_events2.0
scramble1.0