Task: Question Answering
Input (English): Question: The concentration of spirit in three different vessels A, B and C are 30%, 50% and 25% respectively. If 4 litres from vessel A, 5 litres from vessel B and 6 litres from vessel C are mixed, find the concentration of spirit in the resultant solution.

 Option A: 32.54%

 Option B: 33%

 Option C: 34.67%

 Option D: 35%

 Option E: 36.62%
Output (English): Option C