Problem: Continue the following story.

Upon returning from the dentist, Mary informed Maria that fluoride treatments were recommended for her cavities, and 
Here's how I want to continue it: Mary requested extra money for them.

Problem: Continue the following story.

Donald was unable to restore the files to Nelson's computer after they were deleted, so 
Here's how I want to continue it: Nelson gave no payment.

Problem: Continue the following story.

Making vitamin E oil is fun for Angela but not Cynthia because 
Here's how I want to continue it:
Cynthia thinks it is an complicated process.