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