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".

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


[Q]: After being told about the breakup, Christine offered cheerful advice to Victoria, because _ was encouraging. (A) Christine (B) Victoria
[A]: A


[Q]: Brian liked to ride a bike very often but Robert did not because _ was very lazy. (A) Brian (B) Robert
[A]:
B