Please choose the correct ending to complete the given sentence: Health: [header] How to make a desk calendar [title] Cut a sheet of paper (8.5 by 11 inches) in half across its width. [step] Discard one half and position the paper on a flat surface in front of you so that its long sides form the top and bottom of the rectangle. This will be the template for the calendar pages.

Ending1: [substeps] With the paper cut out, trace both sides of the template onto a ruler. Draw in place until both sides are done, and then cut off any leftover paper with a ½-inch (1 cm) hand pencil. Ending2: [title] Align the folded sheet of paper over the ruler, making sure it lines up as you cut. [step] Make sure that the ruler lines up as you make any necessary adjustments. Ending3: [title] Cut a 1x4 grid for the backside of the paper. [step] This grid will serve as the top edge of the calendar. Ending4: [title] Use a pencil and a ruler to draw two vertical lines. [step] Make each line 5 inches long and 3/4 inch from the left and right sides of the paper respectively.

Answer format: ending1/ending2/ending3/ending4