Please choose the correct ending to complete the given sentence: Using parallel bars: A crowd in the background watches gymnasts performing. a gymnast

Ending1: performs a contortionic jump rope routine. Ending2: is handed a baton and he begins spinning and doing gymnastics. Ending3: rides the horse and spins around them. Ending4: runs across a floor, performing cartwheels and flips.

Answer format: ending1/ending2/ending3/ending4