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".

Example Input: William asked Jason to teach them how to play the guitar because _ wanted to become a musician. (A) William (B) Jason
Example Output: A

Example Input: The exam was tough for Craig but was a breeze for Benjamin , as _ slacked on studying. (A) Craig (B) Benjamin
Example Output: A

Example Input: Katrina trained Tanya to do aerobic exercise because _ was a trainer in great shape. (A) Katrina (B) Tanya
Example Output:
A