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.

Example Input: Question:Who created St Trinians, a fictional girls' boarding school, the subject of 8 books and 7 films between 1954 and 2009? ,  Options: [A.Ronald William Fordham Searle B.St Trinian] 
Example Output: A

Example Input: Question: What international event held at the end of each year, featuring some of the world's best racing and rally drivers, was first co-organised in 1988 by former rally driver Michle Mouton? ,  Options: [A.Tetra B.Race Of Champions] 
Example Output: A

Example Input: Question:What separates Wales from Devon, England? ,  Options: [A.Welsh Channel B.Devon] 
Example Output:
B