Select from options: Continue writing the next sentence.

How to clean wallpaper
Determine your wallpaper type.
Figure out what kind of wallpaper you have on your walls. Vinyl wallpaper is not difficult to clean.

Options are:
1). It tends to last for about 3 to 4 years. Plastics dishwashing wallpaper is to be scrubbed with a broom, even if it does not last much longer.;
2). However, it is far easier to deal with than wallpaper manufactured in a factory factory. Vinyl wallpaper is delicate, rich fabrics like silk, leather, and synthetic fibers are best to be avoided, as they will be sensitive to irritants.;
3). It's easy to put up wallpaper in a hurry and forget to clean it. However, vinyl wallpaper will require more tedious cleaning than vinyl wallpaper.;
4). Coated fabric wallpaper is sometimes covered with an acrylic or vinyl covering that is easily washable. Plain paper wallpaper should not get wet.;
Answer:
4).