Task: Question Answering
Input (English): Problem: one type of liquid contains 25 % of kerosene , the other contains 30 % of kerosene . p can is filled with 6 parts of the first liquid and 4 parts of the second liquid . find the percentage of the kerosene in the new mixture . 
Options: a ) 28 % , b ) 25 % , c ) 30 % , d ) 27 % , e ) 35 %
Output (English): d