Task: Question Answering
Input (English): Question: A can finish a work in 18 days and B can do the same work in 15 days. B
worked for 10 days and left the job. In how many days A alone can finish the
remaining work?

 Option A: 6days

 Option B: 5days

 Option C: 4days

 Option D: 3days

 Option E: 2days
Output (English): Option A