{
  "cell_id": "q124_hard_negative_k4",
  "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": 4,
  "source_position": "first",
  "expected_route": "openrouter",
  "bundle_filenames": [
    "source.md",
    "hn_1.md",
    "hn_2.md",
    "hn_3.md",
    "hn_4.md"
  ],
  "original_filenames": [
    "DSA-278777.pdf",
    "web_784d228de7928d5e.pdf",
    "web_084daeed993b3df0.pdf",
    "resize_fb_4.pdf",
    "resize_r1_1.pdf"
  ],
  "modality": "markdown"
}