Please choose the correct ending to complete the given sentence: Sports and Fitness: [header] How to register a gun [title] Look up your state's gun laws online before purchasing a gun. [step] Depending on the state you live in, gun registration may or not be necessary. Visit your state's website to get information about its particular gun regulations.

Ending1: If registration is required, read up on the specific requirements for the application process in the section of the website dealing with licensing and regulatory affairs. [substeps] Hawaii and the district of columbia, for instance, require registration for all guns. Ending2: From there, you can ask questions about when and where to register a gun. Some states consider registering a gun to be a " self-defense, " so to speak. Ending3: [substeps] Each state's gun laws vary slightly, but typically you can find these information online on the appropriate websites. If you're not sure, consult a lawyer or check with your local attorney. Ending4: [substeps] You may also want to check if the gun laws you're looking into require you to own either a gun or another person's gun. If this is the case, your state will send you a registration form to have you fill out.

Answer format: ending1/ending2/ending3/ending4