What is the most logical next event?

Several blocks fall, forming a black and white picture of two girls. the girls

Pick your answer from:
(1). are then shown performing in a boxing match against a group of people.;
(2). then begin to practice karate chops using a hand held, long sword going up and down the wooden steps of the walkway.;
(3). are shown in a gymnasium.;
(4). talk back and forth to the camera, seeing the block in between them.;
(3).