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]: Though they both owned guitars Rebecca actually played while Amy didn't because _ knew how to read music. (A) Rebecca (B) Amy
[A]: A


[Q]: Sarah took their bird to Rachel at the vet office, but _ thought their bird was acting normally. (A) Sarah (B) Rachel
[A]: B


[Q]: Mary wanted to know Megan's business hours, so _ checked if the hours were posted online. (A) Mary (B) Megan
[A]:
A