Please choose the correct ending to complete the given sentence: Snow tubing: A man is seen smiling to the camera and leads into several clips of people walking with tubes. a person

Ending1: climbs a wall while riding another people on the tubes, following the man down the river. Ending2: rides down a snowy hill with a child on a tube. Ending3: lifts himself up onto his hands and then down again followed by turning himself around. Ending4: rides down a hill on a tube or a dog walking.

Answer format: ending1/ending2/ending3/ending4