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.

Ex Input:
Question:What amateur rowing club based at Henley on Thames, England, was founded in 1818? ,  Options: [A.Henley Rowing club B.Leander Rowing Club] 

Ex Output:
A


Ex Input:
Question:What video game, created by Notch, is the best-selling PC game of all-time? ,  Options: [A.sandbox indie B.minecraft] 

Ex Output:
A


Ex Input:
Question:What city's catacombs contain the bones of over six million people? ,  Options: [A.London B.Paris] 

Ex Output:

B