{
  "status": "PASS",
  "candidate": "Vì Sao Tai Bạn Kêu “Tách” Khi Máy Bay Cất Cánh?",
  "against_projects": "001-032",
  "mechanism": "middle-ear pressure differential and Eustachian tube equalization",
  "evidence": "Boyle law, tympanometry/aviation medicine, Toynbee/Valsalva physiology",
  "payoff": "why the pop happens and safe equalization"
}