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