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 librarian wanted to hide the book on the shelf but the _ was too large. (A) book (B) shelf
[EX A]: A

[EX Q]: Mary needed the help of Christine to navigate getting their name changed on a social security card, so _ asked for help. (A) Mary (B) Christine
[EX A]: A

[EX Q]: The speech could not be heard at the back of the hall because of the noise outside. The _ is close. (A) speech (B) noise
[EX A]:
B