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