sentence: A crowd in the background watches gymnasts performing. sentence:  A gymnast runs across a floor, performing cartwheels and flips. sentence:  Another gymnast in an orange suit, jumps onto two bars and performs many flips. sentence:  A coach who was standing nearby removes a mini trampoline from under the bars. sentence:  The gymnast jumps off the bars and lands on his butt. sentence:  He stands up and raises his arms above his head.