Task: Question Answering
Input (English): Question: A can finish a piece of work in 5 days. B can do it in 15 days. They work together for two days and then A goes away. In how many days will B finish the work?

 Option A: 3 days

 Option B: 5 days

 Option C: 4 days

 Option D: 6 days

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