Task: Question Answering
Input (English): Question: X can finish a work in 25 days. Y can finish the same work in 20 days. Y worked for 12 days and left the job. how many days does X alone need to finish the remaining work?

 Option A: 2

 Option B: 5

 Option C: 6

 Option D: 7

 Option E: 8
Output (English): Option E