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: They found the brush made the symptom much worse than the pillow, because the _ 's rough surface trapped dander. (A) brush (B) pillow

Output: A


Input: Consider Input: We moved out of the room to take the test in the hallway, as the _ made focusing difficult. (A) room (B) hallway

Output: A


Input: Consider Input: In college, Samuel wrote more essays than Michael, who typically wrote technical reports, because _ was an engineering major. (A) Samuel (B) Michael


Output: B