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:
The college decided to stop the chemistry program but continue engineering, because the _ program was expensive to develop. (A) chemistry (B) engineering

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:
The band often practice in the park instead of the bar because the _ facilitates their concentration. (A) park (B) bar

Ex Output:

A