What is the most logical next event?

A woman shows how to cover a cake with frosting using a spatula. then

Available options:
(i) , the woman puts the evenly mixed frosting on a baking pan with preheated oven.;
(ii) , the woman lays on a slate floor and clips the corners, and then decorates the from spots.;
(iii) , the woman removes the plastic coating from the cake using a spatula, then she puts a white coloring over the cake.;
(iv) , she explains how to cleans the border of the cake using a cloth.;
(iv)