Problem: How does the sentence end?

In general, Emily's life was better than the life Christine lived since
OPTIONS:
- Emily was nice to everyone.
- Christine was nice to everyone.
Answer: Emily was nice to everyone.

Problem: How does the sentence end?

The files would load on my PC, but not my Mac, because my
OPTIONS:
- PC was compatible with them.
- Mac was compatible with them.
Answer: PC was compatible with them.

Problem: How does the sentence end?

The cat was more fond of Kayla than Laura because
OPTIONS:
- Kayla frequently gave the cat spoiled milk.
- Laura frequently gave the cat spoiled milk.
Answer: Laura frequently gave the cat spoiled milk.

Problem: How does the sentence end?

Nelson was on a mission to ruin Michael 's career because
OPTIONS:
- Nelson had slighted him in the past.
- Michael had slighted him in the past.
Answer:
Michael had slighted him in the past.