Please choose the correct ending to complete the given sentence: Work World: [header] How to become a professional fighter [title] Learn to fight. [step] If you're going to go pro as a fighter, you're going to have to be the best fighter you possibly can be. Study the techniques and training regimens necessary to whatever style of fighting you're interested in.

Ending1: One of the better things you can do is learn better martial fu than being afraid to rely on your knives to fight or train your mma expertise. [substeps] Learn in shadow form so your instructor won't see your blades separate and learn to fight different rounds. Ending2: You'll need to be focused on how to put the strongest moves in motion at the same time. Don't let your focus shift so much to the competition itself. Ending3: [substeps] If you're not a ballet fan, you may not have any time to do more than sit in the ring. But if you're passionate about fighting and cannot stand learning a skill, you'll have to work hard to perform a professional fighter. Ending4: [substeps] Mma is by far the most popular modern fighting style. Combining elements of boxing, kick boxing, muay thai, wrestling, and jiu jitsu, mma will require that you develop a " total package " of fighting skills.

Answer format: ending1/ending2/ending3/ending4