Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to make natural dog shampoo with apple cider vinegar [title] Locate your organic apple cider vinegar. [step] This is what will get your pet's coat and skin dirt/debris free. Your dog may not like the smell but you will be balancing out the cider with other ingredients so it shouldn't be too overpowering.

Ending1: To ensure that you get the right ingredients, check your local pet store. If they sell a specialty shampoo for your dog, it would help to choose one in a pleasant, earthy scent and add a bit of lemon. Ending2: [substeps] If you're not sure what organic will work, see search on the apple cider vinegar manufacturer's website. All of the questions have been successfully answered. Ending3: [substeps] Apple cider vinegar is also a natural flea repellent so it should help to block and kill any remaining fleas. [title] Pick up a bottle of natural, liquid dish washing soap. Ending4: [title] Pour 2 parts apple cider vinegar to 1 part antioxidants. [step] Taste it and make sure it's effective.

Answer format: ending1/ending2/ending3/ending4