Task: Question Answering
Input (English): Problem: a certain college ' s enrollment at the beginning of 1992 was 40 percent greater than it was at the beginning of 1991 , and its enrollment at the beginning of 1993 was 15 percent greater than it was at the beginning of 1992 . the college ' s enrollment at the beginning of 1993 was what percent greater than its enrollment at the beginning of 1991 ? 
Options: a ) 63 % , b ) 24 % , c ) 50 % , d ) 55 % , e ) 61 %
Output (English): e