Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to train a boxer dog [title] Learn about dog training. [step] Educate yourself so you can teach your dog properly and avoid common training mistakes. The basic process of dog training is to reward behavior that you like and to make sure that behavior you don't like isn't rewarded.

Ending1: [substeps] Teaching a dog can start with small steps and gradually work up to larger steps over time. It will help to put personal development first. Ending2: There are online dog training apps that allow you to identify specific behaviors you like. [substeps] Click on a bowl and select " training " in the drop down menu to provide your specific behavior. Ending3: Even puppies have specific discipline steps that they need to follow. You'll need to start limiting these steps to prevent straining your dog's patience. Ending4: Each dog is unique, however, so learning the basics of dog behavior and basic dog training will provide you with the proper foundation for understanding the process of training your pet. No one method is " perfect, " so your research will help you decide which approach to use.

Answer format: ending1/ending2/ending3/ending4