Please choose the correct ending to complete the given sentence: Rock climbing: A male is attached to a harness and has one of his hands on an indoor rock climbing wall. as the man

Ending1: climbs, he's shown helping to assist with the man's handhold. Ending2: climbs the wall, people are scrolling down the screen and watching. Ending3: is still holding on, he describes how the hooks work and clips it on to the rope. Ending4: starts his trek outside, he is able to put his feet out straight and try to balance himself.

Answer format: ending1/ending2/ending3/ending4