Please choose the correct ending to complete the given sentence: Work World: [header] How to become a karate teacher [title] Find a master teacher. [step] Depending on where you live, there may be many karate teachers or very few near you. In rural areas, it may be difficult to find someone proficient enough in this martial art to sufficiently guide you.

Ending1: If you live in a highly populated area, you may have to pick a good teacher from among many. The most important part of this process is to find a teacher that works well to motivate your development and who is capable of teaching you advanced skills. Ending2: The master teacher will help you make your selections and guide you through the fundamentals of karate. [substeps] You can search for a teacher online, visit an ebay website, look through old books, or ask in trade magazines. Ending3: You can always ask family and friends for a list of karate teachers you can watch for on your web page. If you live in a rural area where you live, chances are that you already have a selected karate teacher or master instructor, who can help guide you when you start your karate journey. Ending4: In this case, you'll need a qualified professional. In order to become a master you'll need to find a teacher that's well versed in the martial arts.

Answer format: ending1/ending2/ending3/ending4