Please choose the correct ending to complete the given sentence: Food and Entertaining: [header] How to make a crossbow out of a pen [title] Gather your materials. [step] You'll need a bic pen (they're usually white, and it must be a bic pen), a rubber band, scissors, toothpicks, and a small screwdriver. [title] Unscrew the top of the pen and put aside the ink-holder.

Ending1: [step] Take out the crossbow and put it aside in your bookcase or kitchen drawer. [title] Remove the sharpened top cap on the pen. Ending2: [step] Cut off any off chunks from the top. [title] Enjoy! [step] Your crossbow! [title] Get an a pen to sharpen your pen. Ending3: [step] Rub down the bottom of the pen so it feels smooth. [title] Trace three straight lines in dark colored graphite that connect your edges. Ending4: [title] Cut the ends off of the pen. [title] Cut the pen so it's 2-4 inches (5.1-10.2 cm) long.

Answer format: ending1/ending2/ending3/ending4