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