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