Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to make a paper football [title] Find an 8 ½ " by 11 " sheet of paper. [step] You can tear out a piece of ordinary paper from your notebook, or use a sheet of paper from your printer. This is the ideal size of paper for a paper football, but if the paper is a bit smaller or larger, that will work just fine too.

Ending1: If you are using ballpoint paper, trim off a small corner. This will leave a small hole on the ball. Ending2: [title] Cut a sheet of thin paper into your desired dimensions. [step] To get the straight edge, create two sets of 2-by-4 " strips so that you have a game board that is 7 cm x 11 cm. Ending3: Notebook or printer paper will work better than thicker paper or construction paper because it will be easier to fold, and because it will lighter and easier to use in a game of paper football. [substeps] Use a fresh sheet of paper so the football looks nice. Ending4: [title] Fold the paper down along the centerline so that it forms a small " w " shape, and fold it again. [step] Use your paper knife to make a crease in the paper's wrapper so that you only cut half the paper.

Answer format: ending1/ending2/ending3/ending4