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