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 teacher of Nick was a lot smarter than Robert's teacher, because _ teacher has several degrees. (A) Nick (B) Robert
Example Output: A

Example Input: Amy was dreading the beginning of the school year but not Betty because _ was smart. (A) Amy (B) Betty
Example Output: B

Example Input: Rats infested Aaron's attic but not Hunter's because _ lived in a very old house. (A) Aaron (B) Hunter
Example Output:
A