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: The dieter switched his lunch snack from an apple to a pineapple, as the _ lacked an important vitamin needed in his diet. (A) apple (B) pineapple
Example Output: A

Example Input: If I am to plant trees they will be oranges and not limes as the _ are sour. (A) oranges (B) limes
Example Output:
B