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.
One example: Question:Who was the man behind The Chipmunks? ,  Options: [A. David Seville, B. Alvin Seville] 
Solution is here: A
Explanation: David Seville was the man behind the Chipmunks. So, the correct answer is A.

Now, solve this: Question:In what country is the religion of Shinto commonly practiced? ,  Options: [A.china B.japan] 
Solution:
B