{ "cell_id": "q124_hard_negative_k2", "doc_id": "DSA-278777.pdf", "question": "How many parts has the prefix N in the packages?", "answer": "2", "answer_format": "Int", "condition": "hard_negative", "k": 2, "source_position": "first", "expected_route": "openrouter", "bundle_filenames": [ "source.md", "hn_1.md", "hn_2.md" ], "original_filenames": [ "DSA-278777.pdf", "web_784d228de7928d5e.pdf", "web_084daeed993b3df0.pdf" ], "modality": "markdown" }