Task: Question Answering
Input (English): Question: The average of 10 numbers is 20 and the average of 10 other numbers is 25. What is the average of all 20 numbers?

 Option A: 22.5

 Option B: 21.1

 Option C: 2.6

 Option D: 7.5

 Option E: 4.6
Output (English): Option A