Task: Question Answering
Input (English): Question: A can do a job in 18 days and B can do it in 30 days. A and B working together will finish twice the amount of work in ------- days?

 Option A: 21 ½ days

 Option B: 22 ½ days

 Option C: 23 ½ days

 Option D: 12 ½ days

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