Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to help shut down puppy mills [title] Boycott puppy stores. [step] Almost every pet and puppy store that sells puppies receives their dogs from a puppy mill. Buying these dogs, even to rescue them from the store, will encourage mills to keep breeding dogs in abusive conditions.

Ending1: [substeps] If you buy a puppy mill, you can either offer to stock the store for dogs, or downsize to fill it to a populated area. Consult your local pet and breed store with your decision. Ending2: [substeps] The puppy mill is one of the best places to find a breeder to adopt a puppy. There is a wide variety of dogs available, including ones from reputable suppliers, ready to be adopted. Ending3: Thankfully, puppy mills offer these products in nearly every city, state, and district. If you can't find them in your area, try looking at their websites. Ending4: [substeps] Some pet stores may advertise their puppies as coming from usda breeders, but this does not mean that the puppies came from humane conditions. Stores that sell puppies from usda breeders are actually more likely to buy from puppy mills.

Answer format: ending1/ending2/ending3/ending4