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