Task: Question Answering
Input (English): Question: Water is leaking out from a cylinder container at the rate of 0.31 m^3 per minute. After 10 minutes, the water level decreases 1/9 meters. What is value of the radius in meters?

 Option A: 2

 Option B: 3

 Option C: 4

 Option D: 6

 Option E: 9
Output (English): Option B