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

How to teach your dog to do a high five
Find a quiet place to train your dog.
You will want to find an area to work with your dog that is as free from distractions as possible. By removing your dog from a noisy or busy location, you can help it to focus and learn how to high-five quickly.

Available options:
I. Never train your dog for more than fifteen minutes at a time. This can cause your dog to become frustrated and hinder training efforts..
II. The best place will be a quiet space where it will not affect your dog's ability to focus and learn how to stay on task. Have a mirror nearby where you have excellent view of your dog..
III. A quiet, peaceful space is ideal, as you do not need to worry about your dog being distracted by the possibility of clicking under or around someone walking by. Extend your training session to 10 minutes..
IV. Consider asking someone to help you train your dog. If you are playing fetch, for example, you can teach your dog to sit..
I.