be under 21 years old.아이들이 21 살들아래에 있어야 합니다.Note that any child at or over 21 years of age cannot ... full time attended particular training programs or institutions moer than one month, then list them ... need to specify it more clearly.달을 , 또한 당신이 더 분명히 그것을 명확히 말할 필요가 있다면.Name of Institution (or Program