sentence: Two males are in a room practicing for a racquetball championship,one of the guys stands in the front while the other positions himself in a squat and listens to the directions he is receiving. sentence: The real practice then begins and the guys alternate back and forth between who will take the front and the back and starts to hit the ball. sentence: Each time they switch,the guys make a gesture at the camera and then meet in the middle of the court at the end.