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