Multi-choice problem: Choose from the options at the end, and answer how do you do this: How do you put on a pillow case?

pick from the following.
* Hold the pillow case by the open end and flap it to fluff it up, hold the pillow near the unopened end and stuff over the pillow case, shaking during the process to make sure it is all the way in.;
* Hold the pillow case by the open end and flap it to fluff it up, hold the pillow near the open end and stuff into the pillow case, shaking during the process to make sure it is all the way in.;
Hold the pillow case by the open end and flap it to fluff it up, hold the pillow near the open end and stuff into the pillow case, shaking during the process to make sure it is all the way in.