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: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