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: john makes $ 60 a week from his job . he earns a raise and now makes $ 110 a week . what is the % increase ?
Options: a ) 16 % , b ) 83.33 % , c ) 17 % , d ) 17.61 % , e ) 17.56 %

Ex Output:
b

Ex Input:
Problem: at an election 2 candidates are participated and a candidate got 45 % of votes and defeated by 9000 . and 83 votes are invalid . find the total polled votes ?
Options: a ) 84512 , b ) 78452 , c ) 65893 , d ) 90083 , e ) 74502

Ex Output:
d

Ex Input:
Problem: company p had 15 percent more employees in december than it had in january . if company p had 480 employees in december , how many employees did it have in january ?
Options: a ) 391 , b ) 417 , c ) 410 , d ) 423 , e ) 445

Ex Output:
b