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]: Patricia finally got their braces taken out by Elena, and _ was satisfied to finally take out. (A) Patricia (B) Elena
[A]: B


[Q]: Since William was an expert at guitar while Neil was an amateur, _ played their scaled with ease. (A) William (B) Neil
[A]: A


[Q]: The node on the head needed medication applied to its area because the _ would contract it. (A) node (B) medication
[A]:
B