Please choose the correct ending to complete the given sentence: Snow tubing: A person ski on the pent of a hill covered with snow. then

Ending1: , skis in hill covered with snow approaches the mountain. Ending2: , the person ski on the hill on which snow falls and slope. Ending3: , two individuals ski on the hill covered with snow but still stay upright by snowboard. Ending4: , the person arrives to a flat area where there are four people.

Answer format: ending1/ending2/ending3/ending4