Task: Question Answering
Input (English): Question: Two pipes P and Q can fill a cistern in 12 and 15 minutes respectively. Both are opened together, but at the end of 3 minutes the first is turned off. How much longer will the cistern take to fill?

 Option A: 11 1/0

 Option B: 11 1/4

 Option C: 11 1/2

 Option D: 11 1/1

 Option E: 11 1/9
Output (English): Option B