Multi-choice problem: Continue writing the next sentence in this paragraph:

There's one gymnast in orange leotards swinging on the rod and another gymnast next to him also swinging on the bars. they

Choices: (1). both swing upside down and stand on their hands for a few seconds before swinging back down.; (2). stand on the bars and they both start kicking out their legs.; (3). are intentionally swinging back and forth over the bars before dropping and return on their place.; (4). both get on to the board and begin swinging side to side doing a series of gymnastic moves.;
(1).