Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to improve mouse accuracy in windows live photo gallery [title] Use the straighten photo edit in windows live photo gallery for photos that are not straight. [substeps] Align a grid line with the horizon. Align the grid line with an object that is vertical like a post or a building.

Ending1: [title] Trace a t using a highlighter. [substeps] Use the bottom row of zoom on your viewer to take pictures of vertical poles and bridges because these cross the line that you have drawn along the grid line. Ending2: Create a border where an object's text and background line meet the grid line. Use the dotted lines to mark distances in a map layout. Ending3: Since there might be distortion, use objects in the center of the photo. [title] Use the straighten photo edit when straightening a scanned page of text. Ending4: Straight lines should not allow your mouse to pass through easily; instead, they will lead to jagged edges that can chip the interface. Align the grid line with the object along the edge of the frame.

Answer format: ending1/ending2/ending3/ending4