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