Please choose the correct ending to complete the given sentence: Playing saxophone: A man, with a saxophone around his neck, demonstrates how to play the saxophone in front of a green chalkboard and next to a brown piano. The man points to different sections of the saxophone as he talks to the camera. the man

Ending1: shows off the third section of the saxophone as he ends his introduction and video segment. Ending2: begins to play the saxophone briefly and then turns to the chalkboard and begins to write notes on it as he talks to the camera. Ending3: continues to explain and demonstrates the basics of playing in front of the black screen. Ending4: use a harmonica as the man adjusts the saxophone and talks with the camera.

Answer format: ending1/ending2/ending3/ending4