Task: Question Answering
Input (English): Question: In a class, the average age of 30 boys is 13 years and the average of 20 girls is 12 years. what is the average age of the whole class?

 Option A: 12 Years

 Option B: 12.6 Years

 Option C: 13.6 Years

 Option D: 14 Years

 Option E: 14.5 Years
Output (English): Option B