Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to groom a golden retriever [title] Brush your golden retriever from head to toe. [step] Pay close attention to each area, spending extra time on parts of your golden retriever's body where the fur is thick or matted. [substeps] To keep your golden retriever's coat in good shape, brush it head to toe at least once a week, if not every day.

Ending1: An additional measure of training to keep your golden retriever's coat healthy is to use a brushing implement like a regular dog toothbrush. [title] Clip your golden retriever's rear end to look for matted fur. Ending2: This will help avoid matting and will also help decrease the amount of fur your dog sheds in your home. [title] Remove matted fur that is too tangled to be combed or brushed out. Ending3: [title] Offer your golden retriever some grooming supplies. [step] Sit down with your golden retriever and make your own grooming products using cat shampoo, puppy shampoo, bird seed mix, and coconut oil. Ending4: [title] Groom your golden retriever every day. [step] Even if you think you need long access to all that silky fur, too much brushing can result in hair breaking and permanent damage.

Answer format: ending1/ending2/ending3/ending4