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]: The car passed the motorcycle on the highway because the _ was driving very slowly. (A) car (B) motorcycle
[EX A]: B

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

[EX Q]: Samantha told Lindsey to be careful with the porcelain doll; when she ignored her and dropped the doll, _ was very sorry. (A) Samantha (B) Lindsey
[EX A]:
B