Sane adolescents seeing either of these films would understand that it is the violent characters who are supposed to be deranged--in the case of The Basketball Diaries because of drugs.
Insane adolescents seeing either film might conclude that the violent characters aren't deranged.
mnli hypothesis: Insane adolescents seeing either film might conclude that the violent characters aren't deranged. premise: Sane adolescents seeing either of these films would understand that it is the violent characters who are supposed to be deranged--in the case of The Basketball Diaries because of drugs.