Problem: How does the next paragraph end?

How to remove mastic 
Soak the mastic in hot water. 
This will only work on some types of mastic, usually in recent homes. It's worth trying first, as wetting the mastic can make other methods safer.
A: You should notice the mastic loosening within 20 to 60 minutes. Mix the hot water with vinegar or citrus degreaser for extra strength.

Problem: How does the next paragraph end?

A man pours concrete onto a plate. he
A: is wearing a blue uniform.

Problem: How does the next paragraph end?

How to work and study at the same time 
Get a " work-study " position. 
Many colleges and universities offer work-study positions that provide the perfect opportunity to work and study at the same time. Some of these positions are associated with a financial aid award that goes directly towards your expenses as a student, and some are jobs that are only open to student applicants.
A: Types of work-study positions and the specific parameters these positions entail will vary by country, state, and type of institution. Begin your job search by researching opportunities associated with the institution you are attending.

Problem: How does the next paragraph end?

Lemons are juiced one at a time and then put in a pot with sugar. sparkling water
A:
is added and then the mixture is added to this creating sparkling lemonade.