Task: Question Answering
Input (English): Question: The average of 11 numbers is 10.4. If the average of first six is 10.5 and that of the last six is 11.4 the sixth number is?

 Option A: 9

 Option B: 9.2

 Option C: 10

 Option D: 11.5

 Option E: 17
Output (English): Option E