Please choose the correct ending to complete the given sentence: Playing piano: They switch places and continue playing the piano. They switch places again, rapidly. They do it again, laughing away together. finally they

Ending1: finish and walk away together happily. Ending2: do it again, wearing caps as they switch places again. Ending3: play four more time. Ending4: switch places and they again switch, laughing and moving their hands up.

Answer format: ending1/ending2/ending3/ending4