Task: Question Answering
Input (English): Question: The average age of three boys is 12 years and their ages are in the proportion 2 : 6 : 8. The age of the youngest boy is:

 Option A: 21 years

 Option B: 8.75 years

 Option C: 6.75 years

 Option D: 9 years

 Option E: None of these
Output (English): Option C