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