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

[EX Q]: Bob liked herbal tea a lot more than adderall because the _ made him feel calm. (A) adderall (B) tea
[EX A]: B

[EX Q]: Adam placed the yoga mat and rolled it onto the floor to begin his yoga exercises. The _ was now covered. (A) floor (B) yoga mat
[EX A]:
A