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]: Luke preferred to have the firearm and not a knife for protection because the _ was safer. (A) firearm (B) knife
[A]: A


[Q]: Matthew is a public health expert, Justin is not therefore _ would not be best at explaining the danger of mold. (A) Matthew (B) Justin
[A]: B


[Q]: Kelly use to hate going to the store nearby and always went to the shop far away because the _ had rude staff. (A) store (B) shop
[A]:
A