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 teacher of Nick was a lot smarter than Robert's teacher, because _ teacher has several degrees. (A) Nick (B) Robert
[A]: A


[Q]: Angela had to hire Natalie as a contractor, since _ had plenty of experience to build a house. (A) Angela (B) Natalie
[A]: B


[Q]: Falling in love was very easy for Joseph but very hard for Samuel. _ has had very few partners in their life. (A) Joseph (B) Samuel
[A]:
B