Multi-choice problem: Continue writing the next sentence in this paragraph:

An introduction comes onto the screen for a video about a jump rope competition. One person is shown doing a set of jump rope tricks. two people

OPT:
* are shown jumps and practicing with their jump ropes together.;
* are then shown doing more jump rope tricks.;
* then jump rope in a competition, one person with a blindfold on turns a dial keeping the crowd from seeing her.;
* compete in a jump rope competition and they line up.;
are then shown doing more jump rope tricks.