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]: As such a talented artist, Laura had much to offer Sarah in learning to paint, and _ was eager to teach. (A) Laura (B) Sarah
[A]: A


[Q]: The cake Betty made looks better than Monica's because _ is a plumber by day. (A) Betty (B) Monica
[A]: B


[Q]: Matt prefers to sleep on the couch over his bed because the _ is much harder. (A) couch (B) bed
[A]:
B