Datasets:
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"meta_info": {
"case_id": "case39_35",
"bench_subset": "NeuroBench-Multi",
"difficult": 1,
"original_dataset": "Multi_QA"
},
"agent_input": {
"data_path": [],
"instruction": "Answer this standalone multimodal neurophysiology multiple-choice question: Which statement distinguishes neurovascular delay from acquisition clock offset? Options: A: Clock synchronization removes the biological hemodynamic response time. B: Physiological delay and clock offset are the same quantity. C: A physiological hemodynamic delay can remain after the device clocks and event times are correctly aligned. D: Every cross-modal lag is an acquisition clock error. Select exactly one option, A, B, C, or D. Return only one JSON object with the single field answer and no explanation or extra fields."
},
"eval_config": {
"parser_prompt": "### ROLE\nYou are a precise JSON Extraction Engine for neurophysiological data. Your sole task is to convert natural language reports into structured JSON data.\n\n### TASK\nExtract the answer choice from the agent's report.\n- answer: exactly one of A, B, C, or D.\n\n### STRICT CONSTRAINTS (MANDATORY)\n1. Output ONLY a valid JSON object.\n2. DO NOT include Markdown code blocks.\n3. DO NOT include conversational text, explanations, or extra fields.\n4. The JSON key must be EXACTLY \"answer\".\n5. The answer value must be exactly one of \"A\", \"B\", \"C\", or \"D\".\n6. If the answer is missing or unclear, return {\"answer\": null}.\n\n### OUTPUT TEMPLATE\n{\"answer\": \"<A | B | C | D or null>\"}",
"metrics": [
{
"metric_id": "knowledge_answer_accuracy",
"type": "categorical_check",
"target_key": "answer",
"weight": 100,
"params": {
"gt_value": "C"
}
}
]
}
}
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