Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to make a golden retriever stop barking [title] Figure out why your dog is barking. [step] Golden retrievers, like any other dog, communicate verbally. Of course, they can't talk, so instead, they bark.

Ending1: If you really care about your dog's well-being, however, you should identify the source of your dog's barking : [substeps] Harness. Harnesses are bands of plastic that fit over your dog's muzzle. Ending2: There are many types of barking, which are attempts to communicate different ideas and feelings. Understanding what your dog is trying to tell you is the first step to stopping it. Ending3: In order to figure out exactly why your dog is barking, you will need to find out. [substeps] Your dog is barking out of one of two things. Ending4: Unfortunately, the facts about dogs are a bit vague, but they have some common breeds. [substeps] The common bark is a small " z " sound that we use to express pleasure.

Answer format: ending1/ending2/ending3/ending4