Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to create a paper quill [title] Select the paper. [step] A piece of printer paper is usually a fine choice. [title] Fold the paper in half.

Ending1: [step] Place the folded paper inside the designated ink hole in the marker to form the tip. [title] Place the pointed end into the ink hole and press down hard to create a small hollow. Ending2: [step] Outline a feather shape next to the fold. Draw the outline so that one side of the feather is straight and is formed on the fold, as shown in the image. Ending3: [step] Take the long part, and fold it in half so that the top edges line up with the center crease. [title] Push the paper half down, creating a long, narrow one-quarter-inch gap between the two lines in a typical piece of printer paper. Ending4: [step] If you have to print out a page, fold the short end or long length so that it is face down. [substeps] Fold the long end in half diagonally from top to bottom or form two neat lines.

Answer format: ending1/ending2/ending3/ending4