Please choose the correct ending to complete the given sentence: Slacklining: A man demonstrates how to walk across and navigate a slackline in a grass courtyard in front of apartments. the man

Ending1: demonstrates how to traverse a low brick fence on a residential street. Ending2: walks slowly across the slackline while talking and stopping to talk to passerbys. Ending3: stands on a slackline balancing himself with his arms before the clip cuts to him interviewing. Ending4: poles backward, glasses on and he begins to walk while holding the slackline while walking across the courtyard.

Answer format: ending1/ending2/ending3/ending4