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: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


question:
Question: Which Europeans have been proved to have reached North America before Christopher Columbus? ,  Options: [A.North Americans B.Viking]
answer:
B


question:
Question:Who was married to Whitney Houston from 1992 to 2007? ,  Options: [A.jack miller B.bobby brown] 
answer:

B