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