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: Ian had a happy face while Ryan was angry. _ had just won the lottery for $3 million. (A) Ian (B) Ryan
Example Output: A

Example Input: Joey was careful when he passed by the tack but he managed to scratch himself on the nail because the _ was sharp. (A) tack (B) nail
Example Output: B

Example Input: Michael's lab formulates helpful drugs for people like Derrick, so _ is the lab technician. (A) Michael (B) Derrick
Example Output:
A