Task: Question Answering
Input (English): Question: Three pipes A, B and C can fill a tank in 7 hours. After working at it together for 2 hours, C is closed and A and B can fill the remaining part in 8 hours. How many hours will take C alone to fill the tank?

 Option A: 35/8

 Option B: 38/7

 Option C: 43/6

 Option D: 49/4

 Option E: 56/3
Output (English): Option E