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