Task: Question Answering
Input (English): Question: A piece of work can be done by 6 men and 5 women in 6 days or 3 men and 4 women in 10 days. It
can be done by 9 men and 15 women in how many days ?

 Option A: 3 days

 Option B: 4 days

 Option C: 5 days

 Option D: 6 days

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