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