Write the next sentence in the following story.

How to install roller blinds
Gather your materials. You'll need white wall plugs and 8-gauge 1-inch phillips head screws.
You'll also need a drill bit, but which kind of bit depends on your materials.

Options:
1). Eject the bolts holding your window frame in. Use the drill bit to loosen and loosen your window frame screws.;
2). Have a box/box of quarters or 1-inch nails that go in each corner. Consider removing any thin glass opening at the top of the box.;
3). You'll need a mounting plate or display plate for the frame and two hanging bars or thin canvas bibs for the frame. Glass display plates are staples needed to keep the blinds on the frame.;
4). If you're drilling into concrete, brick or plaster you should use a 5.0 mm diameter masonry drill bit. If you're drilling into wood or steel you should use a 3 mm diameter high speed steel drill bit.;. The answer should be
4).