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