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