Please choose the correct ending to complete the given sentence: Slacklining: We see an opening screen on a white background. We see men walking on a slack line. we

Ending1: see the men outside. Ending2: see men playing lacrosse on a field. Ending3: see 2 boys pulled by the slackline over a hill. Ending4: see the men kite surfing and see their jump, digitally.

Answer format: ending1/ending2/ending3/ending4