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:
The medical exam for the broken arm was longer than the exam on the heart because the _ was a serious problem. (A) heart (B) arm

Ex Output:
B


Ex Input:
Erin asked Sarah for help with hanging the new bathroom mirror because _ is tall enough to reach. (A) Erin (B) Sarah

Ex Output:
B


Ex Input:
The athletes on the team of Christine were more tired than those on the team of Monica because the ones with _ did less laps. (A) Christine (B) Monica

Ex Output:

B