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