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".

Ex Input:
Mike wanted an aquarium instead of a fish bowl. The _ could hold a lot less fish. (A) aquarium (B) fish bowl

Ex Output:
B

Ex Input:
Victoria was a prisoner and Carrie was a guard, so it was a good day for _ when they escaped the prison. (A) Victoria (B) Carrie

Ex Output:
A

Ex Input:
Elena is writing a contingency plan for Katrina, because _ knows how to do it. (A) Elena (B) Katrina

Ex Output:
A