Problem: What happens next in this paragraph?

How to sit up straight at a computer
Face forward.
Keep your torso and neck in line. Ensure your back is adequately supported, with a slight curvature in your lower back.
A: Keep your head level and your eyes looking ahead of you. Do not tilt your head to one side or the other.

Problem: What happens next in this paragraph?

How to kill house mold
Use polypropylene sheeting and vinyl cloth impregnated adhesive strip to close off the affected area from the non-contaminated area.
Start your dehumidifier.
This should run the entire time of your cleanup and for several hours after you are done.
A: Note that your humidifier may also become laden with mould spores and dust and will require cleaning before being used in a clean environment again. Put on protective clothing, respirator, goggles and gloves.

Problem: What happens next in this paragraph?

How to make a car air freshener
Assemble the items needed for this project.
These are listed below under " things you'll need ". In particular, use recyclable items to make this as sustainable a project as possible.
A: Design the template for the air freshener. Typical designs include tree shapes or state, province or country shapes, food shapes, etc.

Problem: What happens next in this paragraph?

How to arrange for your child to travel internationally as an unaccompanied minor
Check each airline's restrictions.
While there are general minimum restrictions that apply for all airlines, most have their own requirements for unaccompanied minors on international flights. Ages and documentation may differ depending on the airline and the destination country.
A:
In particular, some airlines won't accept unaccompanied minors as passengers on international flights at all. Other airlines allow unaccompanied minors on international flights, but won't take children under a certain age, such as 10 or 12.