Bob is strong. Bob is high. Gary is thin. Gary is little. Alan is quiet. Harry is bad. Harry is sad. If someone is not big then they are bad. If someone is not poor then they are nice. If someone is quiet then they are smart. If someone is smart and not rough then they are wealthy. If someone is bad and not big then they are dull. If someone is dull then they are tiny. All tiny people are short. If someone is thin and little then they are rough. If someone is rough and not smart then they are sad. If someone is sad then they are young. If someone is young then they are energetic. If someone is nice then they are kind. If someone is kind then they are clever. All clever people are smart. If someone is wealthy then they are experienced. All experienced people are old.
Alan is not old.