Please choose the correct ending to complete the given sentence: Slacklining: A man stretches a rope between two trees. he

Ending1: gets on the rope and prepares to start a race. Ending2: then balances on the rope as he walks, sits, and bounces on it. Ending3: begins walking forward in the path. Ending4: puts a shoe on to hold onto the rope.

Answer format: ending1/ending2/ending3/ending4