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