Please choose the correct ending to complete the given sentence: Slacklining: A group of people have stretched a tightrope across a gym. they

Ending1: take turns trying to balance and walk on the rope. Ending2: slide down with it, jumping and spinning in the air. Ending3: cross it together, swinging back and fourth in anticipation. Ending4: drop an orange rope at the end.

Answer format: ending1/ending2/ending3/ending4