Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to maintain social skills in older dogs [title] Take your dog to the dog park. [step] A great way to socialize your older dog is to take them to the dog park. At the dog park, they will have an opportunity to interact with other dogs and people.

Ending1: This can help them socialize and get the opportunity to bond with you. If you have any concerns you might mention it to the vet, tell the vet. Ending2: [substeps] Take your dog to socialize their dog. Some trainers will feed their dogs prior to the dog park. Ending3: They also can run around and play for their exercise. [substeps] If you are worried your dog won't feel comfortable around the dogs at first, consider keeping them on a leash until they get used to the people and dogs. Ending4: [substeps] You can watch your dog's behavior. Talk with your dog in the park instead of just ignoring them or freaking out about it.

Answer format: ending1/ending2/ending3/ending4