Please choose the correct ending to complete the given sentence: Skiing: People are skiing down a hill of snow. a person

Ending1: stands on the hill of snow and snowmobiles down the hill of snow. Ending2: is blindfolded as they ski down the hill. Ending3: is jumping rope on a ski. Ending4: does several flips in the air on skis.

Answer format: ending1/ending2/ending3/ending4