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:
Mailing a letter was easy for Kevin but not Brett because _ had a post office near his house. (A) Kevin (B) Brett

Ex Output:
A


Ex Input:
When Betty gave a speech, Christine laughed and heckled. The teacher gave _ a prize. (A) Betty (B) Christine

Ex Output:
A


Ex Input:
Felicia asked Tanya to help her pick out a gift for her favorite teacher since _ knew she had purchased similar gifts before. (A) Felicia (B) Tanya

Ex Output:

A