Function answered 

pub fn answered(
    key: &str,
    state: &HealthState,
    records: &DoseRecords,
) -> Answered

A dose’s answers, from the records and the marks of health-state.toml, merged: the same answer everywhere is that answer, the earliest captured; answers that differ are all kept. A mark of health-state.toml that says what an answer already says is that answer, written beside it for an older Sioul.