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