Needle-in-haystack: detect foreign sentence inserted into CoT. 50/50 insertion/clean split. Source: ceselder/qwen3-8b-math-cot-corpus. Part of the CoT Oracle Evals collection.

	Schema

Field Description

eval_name Eval identifier

example_id Unique example ID

clean_prompt Prompt without nudge/manipulation

test_prompt Prompt with nudge/manipulation

correct_answer Ground truth answer

nudge_answer Answer the nudge pushes… See the full description on the dataset page: https://huggingface.co/datasets/ceselder/cot-oracle-eval-sentence-insertion.