Task: Question Answering
Input (English): Question: 9 3/4 + 7 2/17 - 9 1/15=?

 Option A: 7 719/1020

 Option B: 9 817/1020

 Option C: 9 719/1020

 Option D: 7 817/1020

 Option E: None of them
Output (English): Option D