Please choose the correct ending to complete the given sentence: Slacklining: A young man is seen bouncing up and down on top of black slack line with it in between his crotch. more men

Ending1: zooms in on the man bouncing down while another man watches on the side. Ending2: line up to perform and the man gives them thumbs up and kissing their heads and walks away. Ending3: are seen running around with equipment and continuing to bounce up and down. Ending4: appear on the slack line doing tricks back and forth and landing on the slack line and performing for the crowd surrounding them.

Answer format: ending1/ending2/ending3/ending4