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