Please choose the correct ending to complete the given sentence: Slacklining: A person is walking along a slack line. They are moving back and forth on the slack line. he

Ending1: turns around and starts walking in the other direction. Ending2: connects to a table and sends a close up of him walking. Ending3: helps them go forward very quickly. Ending4: makes it to the end and falls over to the ground.

Answer format: ending1/ending2/ending3/ending4