Task: Question Answering
Input (English): Question: There are 13 South American countries, Anncy has won a ticket to fly from Denver to one South American country and then directly to another South American Country before returning home to Denver again. Assuming there are four airports in each country, how many flights paths can Anncy choose from?

 Option A: 13.12.11.10.4.4.

 Option B: 13.12.11.10.4

 Option C: 13.12.4.4.

 Option D: 13.12.4

 Option E: 13.13.13.13
Output (English): Option C