Please choose the correct ending to complete the given sentence: Snow tubing: Several people go up a snowy mountain. They get on tubes at the top. they

Ending1: ride down through them and a station is shown on the ground. Ending2: climb up, then use the tubes to go down waterfalls. Ending3: jump off, landing on the tubes down the mountain. Ending4: ride together down the mountain.

Answer format: ending1/ending2/ending3/ending4