Multi-select problem: How does the next paragraph end?

How to find and choose a dog trainer
Decide why you need a trainer.
There are many reasons a dog owner may take their dog to a trainer. You may want basic obedience training for your puppy, or you may need behavior modification for your aggressive dog.

Available choices:
(i) Whatever the case may be, it might be worth considering whether you need a trainer. Behavioral issues can make a dog aggressive or aggressive if your dog normally enjoys retrieving and playing fetch.
(ii) You may want to train your dog in a specific skill, like agility, or you may need help with a mental condition that requires medication. Knowing what you want from the trainer and what your dog's needs are can help you search for and pick the right trainer.
(iii) Figure out what issues, reactions, and mood are most important for the dog you are training. Whatever your issue, a trainer may help you find an effective solution.
(iv) Think about your answers to each and consider the options before making a commitment to either decision. Ask yourself some questions about the trainer and their training, such as " why is my dog trying to control me? Why do my dog play nicely with me? " do some research on the trainer, including them in your paperwork.
(ii)