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:What is the only county in the USA to border 5 counties from 5 different states : Baca County, Colorado; Morton County, Kansas; Texas County, Oklahoma; Dallam County, Texas; Union County, New Mexico ? ,  Options: [A.Cimarron County B.Dallam County] 

Answer: A


Question: Question:What are the only two types of mammal that can lay eggs? ,  Options: [A.platypus B.dog] 

Answer: A


Question: Question:The Guinness Book of Records was first published in what year? ,  Options: [A.1967 B.1955] 

Answer:
B