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]: The skin that was made using a special ingredient lasted longer than the  replacement, since the _ is real. (A) skin (B) replacement
[A]: A


[Q]: The needle cannot penetrate into the board on the wall because the _ is hard. (A) needle (B) board
[A]: B


[Q]: After Katrina received a letter in the mail from Mary, she opened it with excitement. _ was expecting it for her birthday. (A) Katrina (B) Mary
[A]:
A