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