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