Write the next sentence in the following story.

How to register your dog
Learn why you should register your dog.
Regardless of which dog registry you are considering, it is important for you to understand the benefits of dog registration. For example, registering your dog provides valid proof that you are his owner.

pick from the following. 1. Obtaining this proof is one of the first steps towards becoming a responsible pet owner. If your dog is purebred, registering him helps ensure that his pedigree remains intact from one generation to the next. 2. It helps build a case against the dog with a suspicion that you intend to try and administer the testing dog's rabies vaccine. The same universal infection runs through all dogs. 3. The pet registry doesn't get your permission if it is not a registered name. Check your state's pet registration office's website to find out more. 4. This proof can strengthen the legitimacy of your breeding breeding program and limit the chance of any criminal activity. Registering a dog doesn't always mean registering your dog.. The answer should be
1.