Please choose the correct ending to complete the given sentence: Playing piano: A little girl introduces a video where she will play the piano and sing a song. She begins to play the song on the piano and sing along as she plays. the camera

Ending1: then focuses on a baby seated in a swing with her sister dancing around. Ending2: zooms in on her face as she continues to play. Ending3: is in her hand as she continues to play and go back and forth. Ending4: briefly stops for a bit as she continues to play and sing the song while sitting in the piano chair rocking her foot up and down.

Answer format: ending1/ending2/ending3/ending4