Please choose the correct ending to complete the given sentence: Using parallel bars: There's one gymnast in orange leotards swinging on the rod and another gymnast next to him also swinging on the bars. they

Ending1: both swing upside down and stand on their hands for a few seconds before swinging back down. Ending2: stand on the bars and they both start kicking out their legs. Ending3: are intentionally swinging back and forth over the bars before dropping and return on their place. Ending4: both get on to the board and begin swinging side to side doing a series of gymnastic moves.

Answer format: ending1/ending2/ending3/ending4