sentence: There is a large gymnasium where three gymnasts are performing gymnastics. sentence:  There's one gymnast in orange leotards swinging on the rod and another gymnast next to him also swinging on the bars. sentence:  They both swing upside down and stand on their hands for a few seconds before swinging back down. sentence:  The third gymnast is performing behind them, doing front and back flips. sentence:  The gymnast in the orange leotards does another front swing and then gets off the bars and walks away.