Select from options: Continue writing the next sentence.

An intro leads into several clips of people solving rubix cubes while a timer captures their speed on the side. more people

Pick from:
I. begin solving and in the end people throw rocks at one another.;
II. appear and on arrival they begin solving the rubix cube as well as putting numbers into the corners and sticking a timer on the side of the object.;
III. break and solve the rubix squares and they all go to a different location at that point until a circle is set up in the middle.;
IV. continue to solve the puzzle as the camera captures them from many sides.;
Answer:
IV.