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]: He liked the calm of cleaning with a broom more than the bustle of the vacuum so the _ was underused. (A) broom (B) vacuum
[EX A]: B

[EX Q]: The food served in the plate was falling off when John was carrying it because the _ is too small. (A) food (B) plate
[EX A]: B

[EX Q]: Erin asked Sarah to be her agent, since _ was knowledgeable of the ins and outs of the music business. (A) Erin (B) Sarah
[EX A]:
B