Please choose the correct ending to complete the given sentence: Swimming: A series of dark gym environments are shown. a man

Ending1: is visible standing in one corner while a woman stands against the wall and a crowd of people gather around him. Ending2: talks to the camera while standing on stilts. Ending3: is on a roof wearing some sort of protective bubble. Ending4: stands up in the darkened environment.

Answer format: ending1/ending2/ending3/ending4