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".

Input: Consider 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

Output: B


Input: Consider Input: Though they both owned guitars Rebecca actually played while Amy didn't because _ knew how to read music. (A) Rebecca (B) Amy

Output: A


Input: Consider Input: The item could not fit into the bucket that we borrowed because the _ was too gigantic. (A) item (B) bucket


Output: A