Please choose the correct ending to complete the given sentence: Wakeboarding: A camera and logo appear briefly. a person

Ending1: is seen riding down stairs on roller blades and music playing in the background. Ending2: then follows a girl followed by several more stills. Ending3: adjusts the camera in the mirror. Ending4: wake boards on a lake while being towed.

Answer format: ending1/ending2/ending3/ending4