Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to use the undo and redo commands [title] Shake your iphone or ipad. [step] Doing so opens a dialog box asking if you want to " undo " the action you just performed. [title] Tap undo.

Ending1: [step] The last action you performed, such as typing, cutting, copying, or pasting, will be undone. [substeps] Alternatively, on ipad, tap 123 in the lower-left part of the keyboard, then tap undo [title] Shake your iphone or ipad after an " undo " action. Ending2: [step] This method enables you to undo and redo commands that you've created multiple times. While enabling this method may help to repeat the action, it's not as easy as just erasing a series of keys, or no longer proven effective at restarting the iphone or ipad. Ending3: [step] This is the blue part of the back of the screen in the dialog box. [title] Restore the force buttons that your iphone or ipad cannot access using the undo and redo commands. Ending4: [step] This opens the undo and redo windows dialog box in windows 370. You can use this as a shortcut to whatever you install.

Answer format: ending1/ending2/ending3/ending4