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 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

Ex Output:
c


Ex Input:
Problem: raman ' s salary was decreased by 50 % and subsequently increased by 50 % . how much percent does he loss . 
Options: a ) 75 , b ) 65 , c ) 45 , d ) 25 , e ) 85

Ex Output:
d


Ex Input:
Problem: a fruit seller sells mangoes at the rate of rs . 9 per kg and thereby loses 20 % . at what price per kg , he should have sold them to make a profit of 5 % 
Options: a ) rs 8.81 , b ) rs 9.81 , c ) rs 10.81 , d ) rs 11.81 , e ) none of these

Ex Output:

d