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".

[EX Q]: Logan asked Brian to help him with the algebra for _ was easily passing the class. (A) Logan (B) Brian
[EX A]: B

[EX Q]: The physical reports showed Nick was not as healthy as Ian because _ frequently exercised. (A) Nick (B) Ian
[EX A]: B

[EX Q]: Nelson has some very red eyes, but Robert does not because _ lives in a dry climate. (A) Nelson (B) Robert
[EX A]:
A