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: Since William was an expert at guitar while Neil was an amateur, _ played their scaled with ease. (A) William (B) Neil
Example Output: A

Example Input: Emily asked Rebecca what time the dress store closes in the mall, because _ had forgotten. (A) Emily (B) Rebecca
Example Output: A

Example Input: Brian's hair always got big when it was humid. Dennis bought a dehumidifier to help. _ was grateful for the gesture. (A) Brian (B) Dennis
Example Output:
A