Write the next sentence in the following story.

How to start a speed dating business
Make sure you have the enthusiasm to do this.
Just because you have logically gone through the process doesn't mean it's right for you. If you don't have the enthusiasm and drive, it isn't going to get you all the way you need to go.

Pick from: (I). Start with researching what speed dating your company requires to start, then look for out of town people that will help you to get started. Don't rely on your friends to bring you any good information. (II). The people looking for speed stay on track, and jogging to the office to find the right speed and pressure is not a waste of time. It's important that you enjoy the challenge and feel the pathway to success at the pace you chose to set up your business. (III). So make sure you are feeling comfortable and committed to doing this even if it means you will have to wait a lifetime to succeed in your industry. Choose a date that excites you. (IV). Check out the population in your area. Normally you should do some sort of research to indicate that you have a market.. The answer should be
(IV).