Please choose the correct ending to complete the given sentence: Playing bagpipes: A crowded train is shown from the inside. a man

Ending1: heats up and walks away. Ending2: uses a hula hoop to perform. Ending3: is then shown riding down the tracks, sparks flying as he moves. Ending4: is talking to someone else as the car begins to rock.

Answer format: ending1/ending2/ending3/ending4