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]: Erin needed Maria's help changing their iPhone and MacBook password because _ was unsure of technology. (A) Erin (B) Maria
[A]: A


[Q]: The police were looking for Neil and not Nelson, by reason that _ was an unwanted person. (A) Neil (B) Nelson
[A]: B


[Q]: Studying economics was far easier for Megan than Monica, as _ was a natural with numbers and math. (A) Megan (B) Monica
[A]:
A