instruction:
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.
question:
Question:One of the longest ruling monarchs of the 20th century and a massive and dangerous volcano in the USA share which name? ,  Options: [A.Columbus B.Rainer] 
answer:
B


question:
Question:What is the bell and blanket technique used for? ,  Options: [A.Wastewater Level Measurement B.To cure bedwetting] 
answer:
A


question:
Question:Which 2008 Western film starred Ed Harris and Viggo Mortensen as lawmen, Jeremy Irons as a rancher and Renee Zellweger as a piano-playing widow? ,  Options: [A.Appaloosa B.Spiderman]
answer:

A