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