Write the next sentence in the following story.

How to take your cat to the vet
Obtain a cat carrier.
Both hard and soft cat carriers will allow you to safely carry your cat to and from the vet. The harder ones are better for vehicle transport.

Select from the following. I. Consult with your veterinarian about whether or not a cat carrier is right for your animal. These are all suggestions, although the availability depends more on the type of cat carrier you choose. II. Training your cat to enter the carrier could take a few hours or a few weeks. In order to have sufficient time to test it out before use, try to obtain a carrier 1-4 weeks prior to the appointment. III. The stronger the carrier, the longer the cat will need to wear it. A hard-sided carrier can be purchased at your local pet store. IV. They generally have hooks to provide cushioning so your cat can relieve discomfort at rest or napping while in the carrier. These are available at most pet stores and online.. The answer should be
II.