This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to prepare for a paintball game
Buy or obtain a co2 (carbon dioxide) tank of 12-20 ounces (340-570 g) or hpa-4500/3000 psi (there are many sizes-cu.
In. ) and make sure they are over half full before you go onto the field.

Choose your answer from:
[1]. Wear nitrous alloy goggles to help protect you against dust and microorganisms. Put your rubber boots on with the brim still on..
[2]. You don't want to be left in a bunker with no co or air and your enemy approaching, being bunkered hurts bad. Find a scarf and wear it! It will help protect you from throat or neck shots..
[3]. These tanks can be used for a simple game just like basic paintball. Start out by placing the co2 tank on top of wet rocks or grass, level to street and the right-hand side will be the best..
[4]. Get a flat sand floor or a well made bed. These have to come in that kind of coarse sand that is quite dry..
The answer is:
[2].