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'.

Ex Input:
Problem: a and b invests rs . 3000 and rs . 7000 respectively in a business . if a doubles his capital after 6 months . in what ratio should a and b divide that year ' s profit ? 
Options: a ) 9 : 6 , b ) 9 : 8 , c ) 9 : 14 , d ) 9 : 9 , e ) 9 : 5

Ex Output:
c


Ex Input:
Problem: at what rate percent per annum will the simple interest on a sum of money be 2 / 5 of the amount in 10 years ? 
Options: a ) 4 % , b ) 74 % , c ) 64 % , d ) 74 % , e ) 94 %

Ex Output:
a


Ex Input:
Problem: in town x , 65 percent of the population are employed , and 48 percent of the population are employed males . what percent of the employed people in town x are females ? 
Options: a ) 16 % , b ) 27 % , c ) 32 % , d ) 40 % , e ) 52 %

Ex Output:

b