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