Problem: How does the sentence end?

Time to build some muscle, I really want to improve my arms and legs. I'll start with curls to work the
OPTIONS:
- arms .
- legs .
Answer: arms .

Problem: How does the sentence end?

Cynthia's liked science fiction books but Laura liked romance novels.
OPTIONS:
- Cynthia favorite author was Ray Bradbury.
- Laura favorite author was Ray Bradbury.
Answer: Cynthia favorite author was Ray Bradbury.

Problem: How does the sentence end?

When it came to baking, Felicia was much messier than Emily, so
OPTIONS:
- Felicia spent a long time cleaning up.
- Emily spent a long time cleaning up.
Answer: Felicia spent a long time cleaning up.

Problem: How does the sentence end?

Rachel's protein pancakes tasted horrible unlike Cynthia's because
OPTIONS:
- Rachel remembered to add in sugar before cooking.
- Cynthia remembered to add in sugar before cooking.
Answer:
Cynthia remembered to add in sugar before cooking.