Problem: How does the sentence end?

In the cafe Laura took the order of Cynthia and made their coffee for them because 
OPTIONS:
- Laura was a customer.
- Cynthia was a customer.
Answer: Cynthia was a customer.

Problem: How does the sentence end?

Aaron assured Ryan that his project is good enough for the fair, but 
OPTIONS:
- Aaron wasn't satisfied.
- Ryan wasn't satisfied.
Answer: Ryan wasn't satisfied.

Problem: How does the sentence end?

Monica was so hungry after their fast but Jennifer felt fine, I guess 
OPTIONS:
- Monica 's fast lasted longer.
- Jennifer 's fast lasted longer.
Answer: Monica 's fast lasted longer.

Problem: How does the sentence end?

The protesters made their signs with markers, not crayons, at the rally. The 
OPTIONS:
- markers are easily seen.
- crayons are easily seen.
Answer:
markers are easily seen.