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: Fran took the alleyway to her home instead of the sidewalk, because using the _ made it a longer distance. (A) alleyway (B) sidewalk
Example Output: B

Example Input: The man bought the contacts instead of a pair of glasses because the _ were cheaper. (A) contacts (B) glasses
Example Output: A

Example Input: Erin was a slow learner while Christine was a quick learner, so _ skipped a grade. (A) Erin (B) Christine
Example Output:
B