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 metal splinter was easier to remove than the last time I got a wood one. The _ must have a tougher time coming out. (A) metal (B) wood
Example Output: B

Example Input: Kevin hogged all the food from Kenneth and _ ended up very full in the end. (A) Kevin (B) Kenneth
Example Output: A

Example Input: In order to mail the envelope I needed to get some stamps from the post office, so the _ was mailed. (A) post office (B) envelope
Example Output:
B