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