Bob is strong. Bob is huge. Erin is thin. Erin is small. Harry is quiet. Dave is rough. Dave is poor. If someone is not big then they are rough. If someone is not sad then they are smart. If someone is quiet then they are wealthy. If someone is wealthy and not bad then they are clever. If someone is rough and not big then they are dull. All dull people are short. If someone is thin and small then they are bad. If someone is bad and not wealthy then they are poor. If someone is poor then they are young. If someone is smart then they are kind. All kind people are nice. All clever people are old. 
Harry is not old.