Please choose the correct ending to complete the given sentence: Rock climbing: A man introduces a video about rock climbing while showing several different examples rock of climbing maneuvers. Next, he shows an example of the rock climbing maneuver that he will teach. lastly

Ending1: , he proceeded to show how to do the rock climbing maneuver in the example. Ending2: , he shows how to avoid tyrops falling on the rocks. Ending3: , he shows an example of how you can pull and pull yourself up the side of the mountain as the camera is in front of you. Ending4: , a boy raises his legs up and a man reaches out to help him pull his feet up in the air.

Answer format: ending1/ending2/ending3/ending4