Problem: What happens next in this paragraph?

A woman is talking while seated in a chair. she
A: hangs up the phone and smiles at the camera.

Problem: What happens next in this paragraph?

How to differentiate between malaria, dengue, and chikungunya
Know what causes malaria.
Malaria is caused by plasmodium, a single-celled parasite often transmitted by infected mosquitoes.
The parasite is injected into a person's circulatory system through the saliva of the mosquito.
A: It then travels to the liver where it will mature and reproduce. When the plasmodium matures, it will infect red blood cells until they burst.

Problem: What happens next in this paragraph?

How to make a fireplace more energy efficient
Install a top-sealing chimney damper.
Top-sealing dampers replace the fireplace throat damper and are installed at the top of the chimney. The top-sealing damper has a seal that acts like a storm door, keeping the expensive conditioned air inside the house and the outside air-outside.
A: This principle works year-round, whether you're heating or cooling your house. This product can be purchased online and is easily installed by either a homeowner or a handyman.

Problem: What happens next in this paragraph?

How to change your mercruiser engine oil
Read your owners manual and its safety precautions.
In general, you need to change your oil every year or every 100 hours of use, whichever comes first.
Visually inspect your engine and check the oil before starting.
A:
Make sure the prop has been removed and that no people or pets are near the stern drive or prop before starting the motor. Check for fuel or fuel vapors outside or in a well ventilated area to prevent carbon monoxide poisoning to people.