Problem: How does the sentence end?

Jennifer confided in Rachel that she was a victim of bullying.  
OPTIONS:
- Jennifer was outraged.
- Rachel was outraged.
Answer: Rachel was outraged.

Problem: How does the sentence end?

Angela spent a long time on their book review but Betty didn't, so 
OPTIONS:
- Angela scored a low grade on their assignment.
- Betty scored a low grade on their assignment.
Answer: Betty scored a low grade on their assignment.

Problem: How does the sentence end?

Just a moment ago, Jennifer sat on Natalie's lap, but it was very uncomfortable. 
OPTIONS:
- Jennifer is big.
- Natalie is big.
Answer: Jennifer is big.

Problem: How does the sentence end?

Aaron is better at working with software when compared to Joseph because 
OPTIONS:
- Aaron works as a school teacher.
- Joseph works as a school teacher.
Answer:
Joseph works as a school teacher.