In this task, you are given a question containing a blank (_) and two options. You should pick the best option to answer the question. Please answer with "A" or "B".

[Q]: Felicia often awoke with nightmares while Jessica was fast asleep . _ was a very deep sleeper. (A) Felicia (B) Jessica
[A]: B


[Q]: Jeffrey took the time to caulk their windows but Robert didn't bother. _ saw their electric bill decrease. (A) Jeffrey (B) Robert
[A]: A


[Q]: Mary's friend liked driving a go cart over a bike because she was more indifferent about the _ . (A) cart (B) bike
[A]:
B