Please choose the correct ending to complete the given sentence: Using parallel bars: They both swing upside down and stand on their hands for a few seconds before swinging back down. the third gymnast

Ending1: enjoys his turn and extends his arms to try and keep himself in his places. Ending2: starts to's stand on his hands and then gets off his feet. Ending3: starts swinging with her feet out and steps up onto a platform. Ending4: is performing behind them, doing front and back flips.

Answer format: ending1/ending2/ending3/ending4