Problem: How does the next paragraph end?

How to fix a dented ping pong ball 
Heat a cup of water. 
Boil a small pot of water. Pour the water into a ceramic cup.
A: You can put the ball directly in the pot of water, but don't leave it in for more than a couple minutes. Ping pong balls can melt or burn when overheated.

Problem: How does the next paragraph end?

A group of people are seen standing on a stage aiming bows and arrows. the people
A: shoot arrows one after the other while people behind watch.

Problem: How does the next paragraph end?

How to recognize marburg hemorrhagic fever symptoms 
Note initial " flu-like " symptoms. 
The first symptoms of marburg can include severe headache, chills, fever, and joint or muscle pain. These " flu-like " symptoms appear in many other illnesses that aren't as deadly.
A: But if you or someone you know was recently in an area where marburg occurs naturally and begins showing these symptoms, seek medical attention immediately. Watch for a rash about five days after initial symptoms appear.

Problem: How does the next paragraph end?

How to teach your children to have good posture 
Teach by example. 
The best way to show children how to have good is to demonstrate as much yourself. Children, especially very young children, tend to learn best by observation.
A:
If you've worked a desk job for a long time, you may have developed bad habits regarding your own posture. Be conscious of how you're sitting and make sure you keep your back straight at all times.