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