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

Answer: A

Question: It was easier to teach the students to configure the server than the router because the _ was simple. (A) server (B) router

Answer: A

Question: Lindsey went to see Laura for a medication for the arthritis when _ could not stand the pain anymore. (A) Lindsey (B) Laura

Answer:
A