Write the next sentence in the following story.

How to avoid falling off a horse
If your horse tries to run away with you, stay calm.
Sit back in the saddle-think of it as sitting on your back pockets. Don't lean forward.

(I) Relax your stomach and visualize the horses leg and gait moving forward. Repeat this with each horse that gets in your way.
(II) Keep your shoulders and toes out so that you can move back and forth. Don't strain to bounce, as those movements could cause injury.
(III) Just calm yourself and try to stay a safe distance away from your horse. After a few times, your horse may get fearful and stops.
(IV) This way, if the horse veers, you won't keep going over the top of his head. Grip with your thighs and keep your lower legs relaxed.. The answer should be
(IV)