Task: Question Answering
Input (English): Question: 4 liters of a 25 percent solution of alcohol in water are mixed with 3 liters of a 11 percent alcohol in water solution. What is the percentage of alcohol in the new solution?

 Option A: 18.2%

 Option B: 18.6%

 Option C: 19.0%

 Option D: 19.4%

 Option E: 19.8%
Output (English): Option C