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