Alan is blue. Bob is kind. Dave is blue. Fred is young. Fred is rough. Fred is red. Fred is big. If someone is young and cold and rough then they are nice. If someone is young and green then they are nice. If someone is big and rough then they are kind. If someone is blue and young and kind then they are round. If someone is kind then they are cold. If someone is rough and cold and nice then they are green. If someone is nice and young then they are cold.
Dave is green.