Task: Question Answering
Input (English): Question: A can finish a piece of work in 12 days. B can do it in 20 days. They work together for 9 days and then A goes away. In how many days will B finish the work?

 Option A: 6 days

 Option B: 4 days

 Option C: 5 days

 Option D: 3 days

 Option E: 7 days
Output (English): Option C