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:Who was US Attorney General from January 1961 until September 1964 and a Senator for New York from January 1965 until June 1968? ,  Options: [A.Prescilla Rose B.Robert Francis Kennedy] 
B

Question:What are fairy rings made of? ,  Options: [A.corn B.mushroom] 
B

Question:Ninette de Valois was involved professionally in what activity?,  Options: [A.Ballet B.Tennis] 

A