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