Please choose the correct ending to complete the given sentence: Snow tubing: A group of people are riding a conveyor belt in the snow. They use tubes to slide down a steep hill. they

Ending1: wheel up a snowy hill. Ending2: clean the snow off their shoulders and back by pushing boxes around. Ending3: race each other tubing down the hill together. Ending4: get back on the path they came from.

Answer format: ending1/ending2/ending3/ending4