[
  {"id": "q-hours", "question": "When is the help desk open?", "relevant_ids": ["hours-v2"], "note": "Archived hours must be excluded."},
  {"id": "q-borrow", "question": "How many books may a member borrow and for how many days?", "relevant_ids": ["borrowing-v1"], "note": "Requires quantity and duration from the same passage."},
  {"id": "q-renew", "question": "May a book be renewed if another member has placed a hold?", "relevant_ids": ["renewals-v1"], "note": "The condition matters; positive word overlap is not a yes answer."},
  {"id": "q-return", "question": "Where can I return books when the desk is closed?", "relevant_ids": ["returns-v1"], "note": "Current return instructions."},
  {"id": "q-wireless", "question": "How can visitors use the wireless network?", "relevant_ids": ["wireless-v1"], "note": "The passage points to a person; it contains no access code."},
  {"id": "q-charges", "question": "What is the charge for an overdue book?", "relevant_ids": ["charges-v1"], "note": "Keep the cap alongside the daily charge."},
  {"id": "q-two-sources", "question": "When is the help desk open and where can I return books when closed?", "relevant_ids": ["hours-v2", "returns-v1"], "note": "One relevant hit is only half of the labeled evidence."},
  {"id": "q-synonym", "question": "What is the penalty for tardiness?", "relevant_ids": ["charges-v1"], "note": "A human has labeled the intended meaning; the lexical baseline is expected to miss this paraphrase."},
  {"id": "q-absent-zero", "question": "How do I file travel reimbursement?", "relevant_ids": [], "note": "No in-vocabulary content words; the baseline can abstain here."},
  {"id": "q-absent-overlap", "question": "May I borrow a laptop for fourteen days?", "relevant_ids": [], "note": "The handbook says books, not laptops; word overlap can still return a misleading passage."}
]