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

Example Input: The chef added butter to the pan on the stove and it began to melt right away because the _ was hot. (A) pan (B) butter
Example Output: A

Example Input: Angela was able to recover from the flu faster than Betty, because _ had a healthy immune system. (A) Angela (B) Betty
Example Output:
A