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]: Aaron was less careful with his appearance than Ryan because _ did not work in a professional environment. (A) Aaron (B) Ryan
[A]: A


[Q]: Samuel was happy to obtain the property with the help of Benjamin, _ was given help. (A) Samuel (B) Benjamin
[A]: A


[Q]: Escaping was a lot easier for Lindsey than Natalie because _ knew exactly which passage to go through. (A) Lindsey (B) Natalie
[A]:
A