Please choose the correct ending to complete the given sentence: Powerbocking: Two men are standing on an indoor gym and in sync they both start jumping on their metal bouncy stits and they both do a backflip. various clips

Ending1: of various different people also wearing the bouncy stilts play and they're all running, flipping and doing various tricks while landing onto blue mats in an indoor gym. Ending2: are shown of men doing hop rope hands spinning and twirling tricks that leads into them jumping down again. Ending3: are shown of the men doing similar tricks between jumps as well as once again falling down. Ending4: of people outside of her locker room perform fade out as they continue to jump and do flips and a different group of people watching on the sidelines as they begin doing jumps.

Answer format: ending1/ending2/ending3/ending4