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.

Let me give you an example: Question:Who was the man behind The Chipmunks? ,  Options: [A. David Seville, B. Alvin Seville] 
The answer to this example can be: A
Here is why: David Seville was the man behind the Chipmunks. So, the correct answer is A.

OK. solve this:
Question:What are the table-top mountains found in the Guiana Highlands of South America (especially Venezuela) that inspired Arthur Conan Doyle's The Lost World and also appear prominently in the landscapes of the Pixar hit Up? ,  Options: [A.Tepui B.duck] ,  Search result URL:
Answer:
A