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]: William asked Jason to teach them how to play the guitar because _ wanted to become a musician. (A) William (B) Jason
[A]: A


[Q]: It was more natural for Christopher to go hunting than Joseph because _ had grown up in the country. (A) Christopher (B) Joseph
[A]: A


[Q]: Eric was teaching all of the proper stretches to Neil, because _ was using them to get in shape. (A) Eric (B) Neil
[A]:
B