Record 464c525b541b492b8d9aa84b56555b10

FAIL

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

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✕FAILanswered "loading dock" · model Nemotron 3 Nano 30B

finish_reason: stop · tokens in/out: 223/388 · cost: $0.000089 · latency: 5218.2 ms

belieftemplatestop

verifier_detail: kind=belief;campaign=1

lineage: 464c525b

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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 684 chars · 223 tokens in

At 8:00, Kian took the heavy box and placed it in the loading dock. At 8:00, Victor happened to be watching. At 8:01, Kian took the heavy box and placed it in the print room. At 8:01, Victor happened to be watching. At 8:02, Piers moved the heavy box into the break room. At 8:02, Victor happened to be watching. At 8:03, Kian moved the heavy box into the loading dock. At 8:04, he moved the small box into the west wing. At 8:05, he moved the small box into the print room. At 8:06, Victor reorganized some papers on the desk. At 8:07, he refilled a cup of coffee.

Where does Victor believe the heavy box is? Answer with only the location name (or 'unknown' if they have no belief).

Response 388 tokens out · finish: stop

loading dock

Reasoning 1,459 chars

Model reasoning

We need to infer Victor's belief about where the heavy box is, based on observations. The timeline:

- 8:00: Kian took heavy box and placed it in loading dock. Victor happened to be watching. So Victor sees heavy box placed in loading dock at 8:00.

- 8:01: Kian took heavy box and placed it in print room. Victor watching. So Victor sees heavy box moved to print room at 8:01.

- 8:02: Piers moved heavy box into break room. Victor watching. So Victor sees heavy box moved to break room at 8:02.

- 8:03: Kian moved heavy box into loading dock. Victor watching. So Victor sees heavy box moved back to loading dock at 8:03.

Thus Victor has observed the heavy box being moved multiple times, and at each time he sees it. So his belief about where it is should be the location he last observed it being placed: loading dock at 8:03. However, after 8:03, there are later events: 8:04 he moved small box into west wing; 8:05 small box into print room; 8:06 Victor reorganized papers; 8:07 refilled coffee. No mention of heavy box after 8:03. So Victor's belief likely is that heavy box is in loading dock (the last location he saw it). Unless he might think it's somewhere else because maybe he didn't see later moves? But he was watching at each move, so he saw it moved to loading dock at 8:03. After that, no further moves of heavy box are described, so he would think it's still there. So answer: loading dock.

Thus output only location name: loading dock.

Realized dims 5

dim	value
context_length	8.0
coreference	3.0
distractors	2.0
entity_state	4.0
temporal	0.0

Latent params 5

param	value
chain_length	4.0
coref_pressure	0.0
distractor_events	2.0
filler_events	2.0
scramble	0.0