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 went to pick up Michael, who needed a ride to the airport, and _ was very grateful. (A) Aaron (B) Michael
[A]: B


[Q]: Derrick filled the bucket with water so that Joel could clean the car, because _ didn't want to do it. (A) Derrick (B) Joel
[A]: A


[Q]: The woman tried to fit her legs into the yoga pants but the _ were too small. (A) legs (B) pants
[A]:
B