Problem: How does the sentence end?

Because Monica gave a gift to Carrie,
OPTIONS:
- Monica wrote a thank you letter for the gift.
- Carrie wrote a thank you letter for the gift.
Answer: Carrie wrote a thank you letter for the gift.

Problem: How does the sentence end?

Robert likes to do yoga each morning but Jeffrey doesn't because
OPTIONS:
- Robert has very stiff muscles.
- Jeffrey has very stiff muscles.
Answer: Jeffrey has very stiff muscles.

Problem: How does the sentence end?

Samantha was generally faster at running than Jessica, so it was surprising when
OPTIONS:
- Samantha won the race by a large margin.
- Jessica won the race by a large margin.
Answer: Jessica won the race by a large margin.

Problem: How does the sentence end?

James could no longer use his brother's belt on his waist after gaining more weight because the
OPTIONS:
- waist is short now.
- belt is short now.
Answer:
belt is short now.