Harry is high. Harry is strong. Dave is tiny. Dave is short. Anne is kind. Bob is rough. Bob is poor. If someone is not big then they are rough. If someone is not bad then they are clever. If someone is kind then they are wealthy. If someone is wealthy and not sad then they are smart. If someone is rough and not big then they are dull. All dull people are thin. If someone is tiny and short then they are sad. If someone is sad and not wealthy then they are poor. If someone is poor then they are young. If someone is clever then they are quiet. All quiet people are nice. All smart people are experienced. 
Dave is young.