Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to make an airsoft land mine [title] Get a 12 oz. [step] Soda can. Cut it so you get two halves, top and bottom.

Ending1: Unfold one half so that it is sticking up in the air, how big you want it is up to you and you will be putting a short tube on the bottom half. Now divide it up into 10, you have two tin cans of soda plus an empty can. Ending2: [title] Place one part soda in the top, one in the bottom. [step] Be careful, as soda can be hard. Ending3: [title] Lay one small square of tissue paper in the bottom half of the can. [title] Put the firecracker in next, poking a hole in the side of the can for the fuse and feed it through. Ending4: Put about three or four sticks of wood on either side of the soda can. [title] Cut it into four pieces and screw on a 1½ on and middle cavity.

Answer format: ending1/ending2/ending3/ending4