Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to find the right trainer for your dog [title] Reflect on the kind of learning you want for your dog. [step] Think about about your specific needs. Depending on the kind of learning you want your dog to experience, you will have very different needs for a trainer.

Ending1: Because there are different kinds of training courses for different dog breeds, you must work with the specific trainer carefully to find the best opportunities for you and your dog. [substeps] Remember, trainers typically assess results from each dog in the course and does their own research into what the overall outcome was so your dog experience is up to you. Ending2: Some trainers specialize in improving the behavior of adult fear aggressive dogs, whereas others are better with open minded puppies. [substeps] For instance, perhaps you need to tame a fearful or aggressive dog, or your dog has ongoing difficulty with separation anxiety. Ending3: One thing you can think about is what kind of training you wish to perform. [substeps] For example, if you want your dog to learn how to walk, you can choose a trainer who is familiar with this exercise. Ending4: [substeps] Try thinking about your needs from your dog's perspective. Will your dog have the same interests, things, or values in life that you do? Of course, with some trainers, home visits or vet visits may be their only base caregiving option.

Answer format: ending1/ending2/ending3/ending4