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]: It was hard work balancing the coffee pot on the campfire but the _ was essential for starting the day. (A) coffee pot (B) campfire
[A]: A


[Q]: When choosing between a natural shampoo and a discounted conditioner, Natalie chose the _ because it was better for her finances. (A) shampoo (B) conditioner
[A]:
B