Problem: How does the sentence end?

Laura attained much better grades in school than Elena did because
OPTIONS:
- Laura studied really hard.
- Elena studied really hard.
Answer: Laura studied really hard.

Problem: How does the sentence end?

Kenneth loved to eat marshmellows and went to Kyle for a recipe because
OPTIONS:
- Kenneth was a personal chef.
- Kyle was a personal chef.
Answer: Kyle was a personal chef.

Problem: How does the sentence end?

Jennifer really got on Victoria's nerves, because
OPTIONS:
- Jennifer made noise all day, every day, which ruined the peace and quiet.
- Victoria made noise all day, every day, which ruined the peace and quiet.
Answer: Jennifer made noise all day, every day, which ruined the peace and quiet.

Problem: How does the sentence end?

Michael had a clean aquarium full of fish that Brett wanted for himself, but
OPTIONS:
- Michael never kept his tank as clean to keep his fish healthy and alive.
- Brett never kept his tank as clean to keep his fish healthy and alive.
Answer:
Brett never kept his tank as clean to keep his fish healthy and alive.