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 doors collapsed instantly while the windows were intact, since the _ were weak against the pressure of the wind. (A) doors (B) windows

Ex Output:
A


Ex Input:
Kyle was wearing a sweatshirt while Aaron was in a tank top because _ thought the temperature outside was far too cold. (A) Kyle (B) Aaron

Ex Output:
A


Ex Input:
I prefer sending emails much more than I like sending letters, because the _ are inconvenient. (A) emails (B) letters

Ex Output:

B