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 Input:
Michael smelled much better than Christopher did although _ had just taken a long shower. (A) Michael (B) Christopher

Ex Output:
B


Ex Input:
Betty accused Lindsey of cheating, because _ had gone out of their way to break the rules. (A) Betty (B) Lindsey

Ex Output:
B


Ex Input:
The spray cleaned the windows better than it cleaned the walls because the _ were porous. (A) windows (B) walls

Ex Output:

B