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".

Input: Consider Input: Nick asked Christopher how to focus a camera, since _ had never been able to get the hang of that. (A) Nick (B) Christopher

Output: A


Input: Consider Input: Janet was able to stop her pad from leaking her period because the _ is big. (A) pad (B) period

Output: A


Input: Consider Input: Elena was a very receptive student to Megan 's lessons, and _ gave her full attention. (A) Elena (B) Megan


Output: A