Task: Question Answering
Input (English): Problem: the concentration of spirit in 3 different vessels a, b and c are 45 %, 30 % and 10 % 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.
Options: a. 26 %, b. 33 %, c. 34 %, d. 35 %, e. 24 %
Output (English): a