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".

[EX Q]: Michael kept their motor well maintained but Dennis ignored their engine maintenance. _ saved a lot of money on car repairs. (A) Michael (B) Dennis
[EX A]: A

[EX Q]: Carrie was much faster with tying knots than Samantha because _ had very nimble hands. (A) Carrie (B) Samantha
[EX A]: A

[EX Q]: Instructions to Betty had to be simple, only Kayla could handle the complex stuff; _ was competent with too much information. (A) Betty (B) Kayla
[EX A]:
B