Problem: What happens next in this paragraph?

How to find a stud
Invest in a tool that allows you to identify studs in your walls.
These are often called stud finders or stud sensors. They can be purchased at hardware shops, home improvement retailers or department stores.
A: Determine what kind of stud finder you have. Some stud finders are magnetic, so you will feel a pull when a stud is identified based on the presence of nails or wires running along the stud.

Problem: What happens next in this paragraph?

How to treat minor leg pain
Rest your leg.
If you feel minor leg pain while playing a sport, working out at the gym or being active in general, then take a break and rest it for at least a few hours. Most cases of minor leg pain is muscle strain or cramping from over-exertion, so rest is a good remedy most of the time.
A: If the pain quickly fades away, then return to your activity. If not, try some of the advice in the following steps.

Problem: What happens next in this paragraph?

How to study the functions of the liver in humans
Learn about the structure of the liver.
Its structure is unusual in the sense that it has dual blood supply from two different sources. One of them is through the hepatic artery that supplies blood that is rich in oxygen to the liver tissue.
A: The other blood source is from the portal vein which originates in the digestive system in its various parts. Study the role of the blood supply to the liver.

Problem: What happens next in this paragraph?

How to become a cardiologist
Look into potential medical schools.
You may already know exactly where you want to go to medical school, but if you don't, you should start looking at the possibilities as soon as possible. This will be very similar to your experience searching for an undergraduate program.
A:
Don't just pick the top medical school in the country for that reason. Instead, search for a school that will be a good fit for your long-term goals, financial limitations, and personality.