Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to choose a shampoo for a yorkshire terrier [title] Consult your vet. [step] A yorkshire terrier's coat is different from most dogs. While most dogs have double coats, and either cottony or wiry hair, yorkshire terriers tend to have a single coat with human-like hair.

Ending1: Yorkshire terriers can also have double coats if their coat's elasticated. [substeps] There are many " second coats " which are three coats that cover the entire body. Ending2: Yorkshire terriers are becoming best known for their extra-long coats. If you know your dog personally, ask your vet if they would recommend the shampoo. Ending3: Typically, a yorkshire terrier's coat does not change over time, such as age. However, with time and exercise and continued grooming, the dog can develop a unique style. Ending4: Yorkshire terriers also have very sensitive skin. [substeps] Before buying a shampoo, ask your vet for recommendations to ensure that you are selecting a shampoo that will meet your yorkie's needs.

Answer format: ending1/ending2/ending3/ending4