Please choose the correct ending to complete the given sentence: Pets and Animals: [header] How to recognize the challenges of owning a wolf [title] Research wolves a lot. [step] This will provide you with enough information about wolves to feel like you actually are one. Remember, you can never stop paying attention to them and catering to their needs.

Ending1: [title] Visit people who have wolves or wolf-dogs and interview them about owning the animals. [step] This can give you in-depth knowledge on wolves. Ending2: A wolf is a very unique and wonderful animal. You'll want to study the wolf's physical appearance. Ending3: Research wolf's characteristics, reputation, behavior and overall demeanor. [title] Learn some wolf pheromones. Ending4: [title] Try to analyze wolves and what motivate them to strike. [step] Wolves prefer extremely quiet areas, where it is difficult to see them coming.

Answer format: ending1/ending2/ending3/ending4