Instructions: 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.
Input: Question:Michael Phelps who during the Summer Olympics 2012 brought his swimming medal total to a record 18 golds represents which country? ,  Options: [A.USA B.Canada] 
Output:
A