Please choose the correct ending to complete the given sentence: Playing piano: A young man sits a piano locate on a sidewalk. the man

Ending1: plays the piano as a crowd watches. Ending2: adjusts the settings on the piano and begins to play using it. Ending3: adjusts the keys with a black sharpener. Ending4: starts to play the piano with the instrument.

Answer format: ending1/ending2/ending3/ending4