Problem: How does the sentence end?

Mary visited the gym much more rarely than Katrina, and indeed
OPTIONS:
- Mary was by far the more physically active of the two.
- Katrina was by far the more physically active of the two.
Answer: Katrina was by far the more physically active of the two.

Problem: How does the sentence end?

Michael slowly explained the scientific method to Justin, because
OPTIONS:
- Michael found it difficult to understand.
- Justin found it difficult to understand.
Answer: Justin found it difficult to understand.

Problem: How does the sentence end?

I really enjoyed the meal that my mom made, but not the lunch that my dad made because the
OPTIONS:
- meal was delicious.
- lunch was delicious.
Answer: meal was delicious.

Problem: How does the sentence end?

James was hoarding gold instead of silver when deciding what to buy. The
OPTIONS:
- gold was less valuable.
- silver was less valuable.
Answer:
silver was less valuable.