Task: Question Answering
Input (English): Question: The average age of 15 students of a class is 15 years. Out of these, the average age of 4 students is 14 years and that of the other 10 students is 16 years. The age of the 15th student is

 Option A: 9 years

 Option B: 11 years

 Option C: 14 years

 Option D: 21 years

 Option E: 9 years
Output (English): Option E