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