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Record 67b64cf8c91149c380e23e4f053b5846

FAIL

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

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

finish_reason: stop · tokens in/out: 544/452 · cost: $0.000247 · latency: 3867.0 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 67b64cf8

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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 1,783 chars · 544 tokens in
At 8:15, Tamsin moved the faded box into the lobby. At 8:16, Wren brought the faded box over to the meditation room. At 8:17, Aria carried the faded box to the observation deck. At 8:18, Hakim took the faded box and placed it in the meditation room. At 8:19, Hana took the faded box and placed it in the observation deck. At 8:20, Noor took the faded box and placed it in the meditation room. At 8:21, Lena took the faded box and placed it in the lobby. At 8:22, she reorganized some papers on the desk. At 8:23, Hana refilled a cup of coffee. At 8:24, she checked their email. At 8:25, Lena checked their email. At 8:26, Aria reorganized some papers on the desk. At 8:27, Noor made a quick phone call. At 8:28, Tamsin made a quick phone call. At 8:10, Aria moved the faded box into the lobby. At 8:00, Lena brought the shiny basket over to the lobby. At 8:01, Hana carried the shiny basket to the meditation room. At 8:02, Cyrus took the faded box and placed it in the observation deck. At 8:03, she brought the faded box over to the meditation room. At 8:04, she brought the faded box over to the observation deck. At 8:05, Tamsin brought the faded box over to the server room. At 8:06, she moved the faded box into the meditation room. At 8:07, Wren carried the faded box to the observation deck. At 8:08, Aria moved the faded box into the meditation room. At 8:14, Wren carried the faded box to the meditation room. At 8:09, Lena brought the faded box over to the server room. At 8:11, Hana moved the faded box into the meditation room. At 8:12, Hakim took the faded box and placed it in the lobby. At 8:13, Aria brought the faded box over to the server room.

Where does Aria believe the shiny basket is? Answer with only the location name (or 'unknown' if they have no belief).
Response 452 tokens out · finish: stop

unknown
Reasoning 2,285 chars
Model reasoning
We need to parse the scenario. The question: "Where does Aria believe the shiny basket is?" We must infer from statements about actions involving items: there are two objects mentioned: a faded box and a shiny basket. There's also mention of other people moving them etc. Need to track beliefs based on observations? Usually these puzzles involve tracking knowledge states given that each person may or may not see certain moves; but we don't have explicit info about who sees what. However maybe assumption: People know where an object is after they move it themselves, unless someone else moves it without their knowledge? Typically such problems assume agents only know locations when they personally performed an action moving the object, and otherwise they retain previous belief unless they observed a move? But we lack details of observation. Could be simpler: Since the shiny basket was introduced at times:

- At 8:00, Lena brought the shiny basket over to the lobby.
- At 8:01, Hana carried the shiny basket to the meditation room.

Thus after those events, the shiny basket ends up at meditation room (since Hana carried it there). No further mentions of shiny basket later. So final location of shiny basket is meditation room.

Now, does Aria have any belief about its location? Did Aria ever interact with shiny basket? Not directly. She might have seen Lena bring it to lobby? Not stated. She might have seen Hana carry it to meditation? Not stated. If we assume agents only know about objects they have directly interacted with, then Aria has no belief => unknown.

But perhaps we can infer that Aria knows because she saw the actions? The problem statement doesn't give any indication of perception. Usually in such puzzles, you assume that each person knows the location of an object if they were the one who last moved it, otherwise they retain their previous belief (maybe they know nothing if never interacted). Let's examine earlier part: Many statements about faded box movements, and later ask about Aria believes the shiny basket is. Likely answer is unknown because Aria never interacted with shiny basket.

Check timeline for Aria interactions with shiny basket: none. She interacts with faded box many times. So answer: unknown.

Thus output just "unknown".
Realized dims 5
dimvalue
context_length29.0
coreference16.0
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