Problem: How does the sentence end?

Laura brought a bunch of medicine and supplements for Megan to grow because 
OPTIONS:
- Laura is her mother.
- Megan is her mother.
Answer: Laura is her mother.

Problem: How does the sentence end?

The pool had a large fancy diving board but no slides so the 
OPTIONS:
- pool was very busy.
- diving board was very busy.
Answer: diving board was very busy.

Problem: How does the sentence end?

Because Maria knew how to drive and Elena did not, 
OPTIONS:
- Maria passed their driving test.
- Elena passed their driving test.
Answer: Maria passed their driving test.

Problem: How does the sentence end?

Patricia had a parrot that could speak but not Elena because 
OPTIONS:
- Patricia often spoke to it.
- Elena often spoke to it.
Answer:
Patricia often spoke to it.