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