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