Alan is huge. Alan is strong. Bob is tiny. Bob is short. Dave is clever. Gary is dull. Gary is bad. If someone is not big then they are dull. If someone is not poor then they are wealthy. If someone is clever then they are smart. If someone is smart and not sad then they are kind. If someone is dull and not big then they are rough. If someone is rough then they are little. If someone is little then they are thin. All thin people are poor. If someone is tiny and short then they are sad. If someone is sad and not smart then they are bad. If someone is bad then they are young. If someone is young then they are energetic. If someone is energetic then they are fashion. If someone is wealthy then they are quiet. If someone is quiet then they are nice. If someone is nice then they are smart. All smart people are quiet. If someone is kind then they are famous. If someone is famous then they are experienced. All experienced people are old.
Dave is not old.