Problem: How does the sentence end?

The blender that I bought is better than the juicer because the
OPTIONS:
- juicer is more powerful.
- blender is more powerful.
Answer: blender is more powerful.

Problem: How does the sentence end?

Randy diagnosed the swollen, painful lump on Steven's knee as a cyst, because
OPTIONS:
- Randy sought their medical knowledge.
- Steven sought their medical knowledge.
Answer: Steven sought their medical knowledge.

Problem: How does the sentence end?

Swimming was a lot of fun for Tanya but not Katrina because
OPTIONS:
- Tanya had no fear of the water.
- Katrina had no fear of the water.
Answer: Tanya had no fear of the water.

Problem: How does the sentence end?

Emily adopted a miniature schnauzer without telling her roommate who disliked dogs, Carrie.
OPTIONS:
- Emily was excited when she brought the dog home.
- Carrie was excited when she brought the dog home.
Answer:
Emily was excited when she brought the dog home.