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: The brutal boxing match was suitable for Christopher but not Samuel because _ did damage to his opponent. (A) Christopher (B) Samuel
Example Output: A

Example Input: The man wrote letters in the Army, but didn't send packages. That's because it is expensive to send _ . (A) letters (B) packages
Example Output: B

Example Input: The sidewalk contained a lot of litter, so Jeremy walked on the road instead because the _ was clean. (A) road (B) sidewalk
Example Output:
A