Problem: How does the sentence end?

Because Brian took their car to the mechanic more frequently than Derrick, 
OPTIONS:
- Brian had more car problems.
- Derrick had more car problems.
Answer: Derrick had more car problems.

Problem: How does the sentence end?

Christine tried to sell Cynthia a bag. 
OPTIONS:
- Christine was outraged to see that the bag was all scratched up.
- Cynthia was outraged to see that the bag was all scratched up.
Answer: Cynthia was outraged to see that the bag was all scratched up.

Problem: How does the sentence end?

Christine was suffering from problems with their sinuses but not Rebecca because 
OPTIONS:
- Christine had a lot of allergies.
- Rebecca had a lot of allergies.
Answer: Christine had a lot of allergies.

Problem: How does the sentence end?

The orchestra was heavy on bassoons but light on horns, as the 
OPTIONS:
- bassoons were essential for its music.
- horns were essential for its music.
Answer:
bassoons were essential for its music.