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 Q]: Question:Which event held in Alberta, Canada, which bills itself as The Greatest Outdoor Show on Earth, is a large festival, exhibition, and rodeo held for 10 days every summer in July, attracts more than 1.2 million visitors? ,  Options: [A.Calgary Stampede B.Christmas]
[EX A]: A

[EX Q]: Question:What substance, best known as a poison, was used in small doses in medications as a stimulant, as a laxative, and for enhancing performance in sports? ,  Options: [A.paracetemol B.strychnine] 
[EX A]: B

[EX Q]: Question:What is the surname of sisters and singers Dannii and Kylie? ,  Options: [A.Jaden B.Minogue] 
[EX A]:
B

