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