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

Six small rectangles appear on the screen with a different girl in each one grooming a different dog. after

OPT: [I] , three rectangles appear and the same girl is doing another action in each one to groom the dog.; [II] , a car arrives and the girl brushes a poodle.; [III] , the dogs and the girl appear wrapped in plastic wrap.; [IV] , they all streaks down the arm of the girl in the white shirt with the white shirt turned back and forth.;
The answer is:
[I]