Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to make a crossbow, bullseye, and bullets for backyard target shooting [title] Gather your materials. [step] You will need : 4 un-sharpened pencils , 1 old and crummy pen, one rubber band, a lot of masking tape, and some creativity. [title] Divide the 4 pencils into two groups of two and tape each group of two pencils together.

Ending1: [title] If you want an ordinary crossbow cut the string to 30 " lengths. [step] This will allow you to sharpen it, but generally you can get around 18 ". Ending2: [title] Tape one group of pencils on the other group of pencils to form a " t " shape. [title] Take apart the pen and save all the parts. Ending3: [title] Take a piece of masking tape and cover this front and back of the pencils. [title] Cut a sheet with the tape on it as you go so when you release the paper it will stay in place. Ending4: [step] Give one group a line with tape, cut just 3 inches, that will go across the edge of the pencils. Pinch the tape against the line to make it into a " c ".

Answer format: ending1/ending2/ending3/ending4