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:
Aaron drank plenty of water before the hike, but Christopher forgot to, so _ ended up getting dehydrated. (A) Aaron (B) Christopher

Ex Output:
B


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

Ex Output:
A


Ex Input:
Dennis uses Facebook all the time, but Benjamin is kind of against social media. _ is savvy at technology. (A) Dennis (B) Benjamin

Ex Output:

A