Bob is young. Bob is rough. Bob is blue. Dave is green. Fred is young. Fred is nice. Gary is young. Gary is rough. Gary is red. Gary is kind. Gary is cold. If someone is nice and blue then they are rough. If someone is young then they are red. If someone is red and blue and kind then they are green. If someone is rough and round then they are nice. If someone is blue and rough and red then they are round. If someone is round and kind then they are rough.
Bob is not round.