Task: Question Answering
Input (English): Question: A and B together can complete a work in 12 days. A alone complete it in 20 days. If B does the work only for half a day daily, then in how many days A and B together will complete the work?

 Option A: 110 days

 Option B: 11 days

 Option C: 15 days

 Option D: 20 days

 Option E: 17 days
Output (English): Option C