premise: Marcus was just starting his first flying lesson.
initial: He was learning to fly small commuter planes.
counterfactual: His plane wouldn't start so he never took off.
original_ending: He was nervous to take the plane up in the air. His instructor helped him take off from the airport. Marcus relaxed once they were in the air.
edited_ending: He was nervous to take the plane up in the air.His instructor asked him to leave the the airport.Marcus relaxed once they were not going up in the air.<SEP>He was nervous to take the plane up in the air.His instructor was going to help him take off from the airport.Marcus relaxed once they plane didn't start.<SEP>He was nervous to take the plane in the air anyways.His instructor helped to calm his nerves.Marcus relaxed since they couldn't take off in the plane.