Harry is strong. Harry is huge. Anne is small. Anne is thin. Alan is wealthy. Gary is sad. Gary is bad. If someone is not high then they are sad. If someone is not dull then they are nice. If someone is wealthy then they are quiet. If someone is quiet and not rough then they are clever. If someone is sad and not high then they are poor. All poor people are short. If someone is small and thin then they are rough. If someone is rough and not quiet then they are bad. If someone is bad then they are young. If someone is nice then they are smart. All smart people are kind. All clever people are old. 
Alan is not old.