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 ball that we use for basketball will not fit in the basket because the _ is too small. (A) ball (B) basket
Example Output: B

Example Input: Emily hated reading and writing in school but not Christine because _ had great ability. (A) Emily (B) Christine
Example Output: B

Example Input: While Billie brought a pencil, I brought a pen to the realtor’s office. I gave Billie my pen but she stubbornly used  the _ to sign the document. (A) pencil (B) pen
Example Output:
A