Task: Question Answering
Input (English): Problem: if 63 percent of a class answered the first question on a certain test correctly , 49 percent answered the second question on the test correctly , and 20 percent answered neither of the questions correctly , what percent answered both correctly ? 
Options: a ) 22 % , b ) 24 % , c ) 26 % , d ) 28 % , e ) 32 %
Output (English): e