What happens next in this paragraph?

Two individuals are inside of a small room with three white walls and a glass wall behind them stretching and holding a tennis racket. an intense game
Select from: *of tennis is then played moving fast to and throwing the ball with all four players passing in all directions and serving the ball to each other.. *of tennis is occurring on a large blue mat.. *is being shown and after a look of concentration, the two then begin to play.. *begins and the two run from side to side taking turns hitting the ball making sure the ball doesn't stop..
begins and the two run from side to side taking turns hitting the ball making sure the ball doesn't stop.