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: Bob liked herbal tea a lot more than adderall because the _ made him feel calm. (A) adderall (B) tea
Example Output: B

Example Input: The nut kept getting loose as the hobbyist tried to tighten it on the bolt because the _ was too small. (A) bolt (B) nut
Example Output:
A