Select from options: Continue writing the next sentence.

Two men are rappeling up the side of a steep rock cliff. one of the men

Options: (I) falls on to the ground.; (II) is extremely brave as he makes it to the top as a person walks by on a ladder.; (III) is wearing a white suit as the other is in a blue suit.; (IV) climbs about halfway up, before letting go and releasing himself back toward the ground.;
Answer:
(IV)