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