This is a test of commonsense with single/multi-choices. Complete the next sentence:

A woman wearing a red leotard demonstrates a ballet move traveling toe move. the ballet instructor

pick from the following. I. bounces a ballerina on her toe.; II. demonstrates ballet moves drumming her foot while standing.; III. shimmies across the floor taking small little side steps.; IV. demonstrates a dance move using both feet.;
The answer is:
III.