Please choose the correct ending to complete the given sentence: Skiing: Two people sit on a moving ski lift. Other people ski and ride the lift around them. at the top of the ski hill

Ending1: , a man throws a rope to a person on the side. Ending2: a group of people enter a tube. Ending3: , the skiers go up a straight slope. Ending4: there are lots of people on skis.

Answer format: ending1/ending2/ending3/ending4