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]: Christine hates to go fishing, but Patricia loves it. This is due to _ being an indoor person. (A) Christine (B) Patricia
[A]: A


[Q]: Samuel was happy to obtain the property with the help of Benjamin, _ was given help. (A) Samuel (B) Benjamin
[A]: A


[Q]: I tried to write a letter but switched from the blue pen to the black pen since the _ pen's ink well was full. (A) blue (B) black
[A]:
B