Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to choose a dog adoption agency [title] Conduct a thorough online search. [step] You can find a list of local animal shelters and adoption agencies online. For example, visit the shelter pet project website and enter your zip code to find the organizations in your area that can help you find and adopt a dog from a reputable source.

Ending1: [title] Decide who you are going to hire. [step] Think about the qualifications that the organization will have to handle any adoptions. Ending2: [substeps] Alternately, you can look into nonprofits that have adopted dogs from other areas. Check their websites before entering your zip code. Ending3: Then, you should call the national animal shelters. [substeps] If you can find a reputable organization, look into previous adoption attempts to have pets found and had a staff with successful fostering plans. Ending4: The aspca also offers a free online search tool to help find adoptable pets. Other useful websites include petfinder, worldanimal, and adoptapet.

Answer format: ending1/ending2/ending3/ending4