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