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:
It was more natural for Christopher to go hunting than Joseph because _ had grown up in the country. (A) Christopher (B) Joseph

Ex Output:
A


Ex Input:
With the glasses you could not see to the horizon, but the lenses allowed you too, since the _ were optically strong. (A) glasses (B) lenses

Ex Output:
B


Ex Input:
Aaron went to a college and met Adam who is very smart, _ is kind enough to help him study calculusinfinitesimal calculus. (A) Aaron (B) Adam

Ex Output:

B