Please choose the correct ending to complete the given sentence: Snow tubing: People ride a line up a hill in a tubing resort. a person

Ending1: rides a tube down a hill. Ending2: gets stuck on the slide. Ending3: starts surfing next to a river with a long pole. Ending4: gets off the tube and hands a cake to a person walking on the ground.

Answer format: ending1/ending2/ending3/ending4