{
  "required_concepts": [
    "photic sneeze reflex and ACHOO nickname",
    "ordinary trigeminal nasal sneeze reflex",
    "bright light and pupillary optic pathways implicated",
    "cross-talk mechanism not settled",
    "multiple hypotheses without one proven crossed wire",
    "familial autosomal-dominant-like pattern with variable penetrance",
    "ACHOO is not a definitive single-gene diagnosis",
    "prevalence varies by population and method",
    "not allergy infection sun allergy or seizure",
    "driving tunnel and garage transition safety",
    "never stare at the sun",
    "not a genetic personality or neurological self-test",
    "serious eye neurological and breathing red flags"
  ],
  "required_sources": [
    "Everett 1964 in photic sneeze terminology context",
    "Peroutka and Peroutka 1984 in prevalence or inheritance survey context",
    "Beckman and Nordenson or later review in familial prevalence or mechanism context"
  ]
}