In this task, you need to answer the given multiple-choice question on the gain. Gain is the value by which to multiply the input. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Example Input: Problem: a candidate got 35 % of the votes polled and he lost to his rival by 2430 votes . how many votes were cast ? 
Options: a ) 7500 , b ) 3388 , c ) 8100 , d ) 2888 , e ) 2661
Example Output: c

Example Input: Problem: jill invests $ 10000 in an account that pays an annual rate of 3.96 % , compounding semi - annually . approximately how much t does she have in her account after two years ? 
Options: a ) $ 10079.44 , b ) t = $ 10815.83 , c ) $ 12652.61 , d ) $ 14232.14 , e ) $ 20598.11
Example Output: b

Example Input: Problem: in town x , 72 percent of the population are employed , and 36 percent of the population are employed males . what percent of the employed people in town x are females ? 
Options: a ) 16 % , b ) 25 % , c ) 32 % , d ) 40 % , e ) 50 %
Example Output:
e