This task involves asking a question, providing a set of 2 options. You are expected to choose the best answer to the question. The output will be in the form of A or B, corresponding to which option is chosen.

[Q]: Question:What are fairy rings made of? ,  Options: [A.corn B.mushroom] 
[A]: B


[Q]: Question:Which Japanese island that has its capital at Sapporo is the traditional home of the Ainu people? ,  Options: [A.Sapporo B.Hokkaido region] 
[A]: A


[Q]: Question:Actress Brooke Shields was married to whom for 2 years from April 1997? ,  Options: [A.James Dean B.Andre Agassi] 
[A]:
B