[Q]: How does the sentence end?

Instead of flying on an airplane, Mary rode the train to Hollywood, because she felt the 
OPTIONS:
- airplane was more convenient.
- train was more convenient.

[A]: train was more convenient.


[Q]: How does the sentence end?

Christine always had to use makeup foundation but not Erin because 
OPTIONS:
- Christine had smooth face skin.
- Erin had smooth face skin.

[A]: Erin had smooth face skin.


[Q]: How does the sentence end?

Ryan stopped Brian from warning the public about the virus, but 
OPTIONS:
- Ryan still has doubts.
- Brian still has doubts.

[A]:
Brian still has doubts.