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