Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to set a picture from camera roll as wallpaper in ios 7 [title] Open your " photos " by tapping on its icon. [title] Tap on " camera roll. [step] " all pictures you save or take get into your " camera roll " album.

Ending1: [title] Ensure your camera roll is empty and securely mounted to your computer. [title] Choose " picture now " from the list of available ones, and tap " next " to begin the setup process. Ending2: [title] Tap on " import screen " from the menu that appears. [title] Import scanned pictures from your camera roll. Ending3: Your photos and images can also be sorted by dates and pick a year, month or day when your image was taken or saved. [title] Pick an image you want to set as wallpaper. Ending4: [title] Find the picture that you want to use and tap on it. [step] Look at the shapes you have created with your camera roll to see which kind of arrangement is best.

Answer format: ending1/ending2/ending3/ending4