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: Patricia was a worse detective than Erin, and this showed when _ caught more criminals. (A) Patricia (B) Erin
Example Output: 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 wheels and the reflectors on the bike need to be changed. The _ are too dull. (A) wheels (B) reflectors
Example Output:
B