Two people are playing racquetball .  The ball comes around behind the players.  They resume playing and jumping.  The ball again gets by the players.  The man in yellow restarts a new match.  The man in blue walks to the window and messes with a sticker.  The man in yellow tries to restart a new match.  The man in blue hits the ball in the corner and it rolls back.  They start another round of racquetball.