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