Please choose the correct ending to complete the given sentence: Disc dog: The video takes place in a park with many spectators. A man is in a field with his dog as they perform various tricks with a frisbee. music

Ending1: plays continuously between the two as they continue to move and dodge the frisbee like boxers would. Ending2: is playing in the background. Ending3: plays continuously as they work. Ending4: plays continuously behind them on the stage as the acrobats move to and fro.

Answer format: ending1/ending2/ending3/ending4