Part 1. Definition
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.
Part 2. Example
Question:Who was the man behind The Chipmunks? ,  Options: [A. David Seville, B. Alvin Seville] 
Answer: A
Explanation: David Seville was the man behind the Chipmunks. So, the correct answer is A.
Part 3. Exercise
Question:What Scottish city is at the confluence of the rivers Dee and Don? ,  Options: [A.Aberdeen B.Scotland] 
Answer:
A