Write the next sentence in this paragraph:

These people are all shown participating in a bicycle race. they

(i) are all represented in a big black box.;
(ii) are crossing the finish line with only one wheel.;
(iii) synchronize and then go in the opposite direction, all in shifts.;
(iv) ride over huge bumps and straight smooth paths, and everyone is wearing different colored suits and helmets.;
(iv)