Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to become a professional mma fighter [title] Mentally dedicate yourself to the hard work. [step] Although the path of an mma fighter is straightforward, at the same time it requires 100% dedication and hard work. You need help from others for training and guidance.

Ending1: Tools from your support network of trainers can help you accomplish this task. Online classes or workshops can also be great resources. Ending2: So, place your ego aside and never be reluctant to ask others for help. You also need to make up your mind to follow this grueling path. Ending3: [substeps] In an mma competition of any kind, play hard, don't trade off, don't go wild. All mma has weaknesses, so you are going to need to learn to deal with them. Ending4: Before you begin training, get a good night's sleep, and work on mental tasks that keep you focused. [substeps] If you have physically hurt someone during a fight, get galvanized by sleep.

Answer format: ending1/ending2/ending3/ending4