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:
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:
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:
The process this year took longer than the investigation last year, because the _ was more involved. (A) process (B) investigation

Ex Output:
A