Please choose the correct ending to complete the given sentence: River tubing: Man and woman are standing on top of a big rock jumping into a lake. wo guys

Ending1: hit a base stone while people stands in front of them waiting to start the game, athlete and athlete start running running. Ending2: are sitting on a side of the rock talking with a woman on the lake. Ending3: be doing this? man is holding from a shirt a rock making a splash on it and gives a thumbs up, the end of man is talking to the camera. Ending4: are doing rock and roll intro in a big river doing a shot put and when the xylophone stops.

Answer format: ending1/ending2/ending3/ending4