Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to groom a silky terrier [title] Gather materials. [step] Your silky terrier is named for its lovely fur. The most important aspect of maintaining this healthy coat is to brush your dog daily.

Ending1: You are going to need both a slicker brush and a bristle brush. Both items can be found at your local pet store. Ending2: Any brushing or cleaning must be done by a trained professional. Schedule a session once a week during grooming. Ending3: This will keep your terrier's fur cool and soft instead of oily or greasy. [substeps] Clean out your dog's coat daily. Ending4: [substeps] Brush your dog every day for at least 4 hours straight. Brush your dog's coat every 4 to 6 weeks as well as weekly in your bed.

Answer format: ending1/ending2/ending3/ending4