Please choose the correct ending to complete the given sentence: Slacklining: Then he climbs on the slackline and balances himself as he jumps up and down on the flat webbing. he

Ending1: flips down the slackline and lands on the top mat. Ending2: continues to bounce up and down while trying to balance on the webbing. Ending3: swings back and forth and then releases the rope, and then lands back on the mat. Ending4: is eventually able to get himself over the slackline parallel to the ground.

Answer format: ending1/ending2/ending3/ending4