Please choose the correct solution to the question: How do you remove wallpaper?

Solution1: Spray the wallpaper remover-solution mixture on the area and let it soak into the wallpaper. You may need to apply it several times. Next, try stripping the wallpaper by hand. The backing will be left, which you can scrape off with a sharp knife.

Solution2: Spray the wallpaper remover-solution mixture on the area and let it soak into the wallpaper. You may need to apply it several times. Next, try stripping the wallpaper by hand. The backing will be left, which you can scrape off with a broad knife.

Answer format: solution1/solution2