Task: Question Answering
Input (English): Question: A tyre has two punctures. The first puncture alone would have made the tyre flat in 8 minutes and the second alone would have done it in 6 minutes. If air leaks out at a constant rate, how long does it take both the punctures together to make it flat ?

 Option A: 3 1/5min

 Option B: 3 2/5min

 Option C: 3 3/7min

 Option D: 3 4/5min

 Option E: 3 min
Output (English): Option C