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]: While at the bank, Samantha asked the teller Sarah to cash a check she got for her birthday. _ received a lot of cash from the transaction. (A) Samantha (B) Sarah
[A]: A


[Q]: Logan asked Brian to help him with the algebra for _ was easily passing the class. (A) Logan (B) Brian
[A]: B


[Q]: Sarah had to ask Laura for help with setting MAC keyboard shortcuts because _ never used MACs. (A) Sarah (B) Laura
[A]:
A