What is the most logical next event?

Two men in basketball shorts are playing racketball. They hit the ball back and forth against the wall. the men

Options:
+ dribble the ball down the court some more.;
+ run out of the room, and we see.;
+ continue wresting the ball around like a pile hockey game.;
+ continue to serve and then hit and return each other's serves.;
continue to serve and then hit and return each other's serves.