Please choose the correct ending to complete the given sentence: Zumba: A countdown from ten to zero is shown. We then see a group gathered in a gymnasium. the instructor

Ending1: is taking a break from his tutorial. Ending2: walks up, and everyone starts a zumba exercise. Ending3: begins by showing how to properly hold a torch. Ending4: then begins: three people climbs the bars on the fourth floor.

Answer format: ending1/ending2/ending3/ending4