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: rs . 1500 is divided into two parts such that if one part is invested at 6 % and the other at 5 % the whole annual interest from both the sum is rs . 86 . how much was lent at 5 % ? 
Options: a ) 388 , b ) 2998 , c ) 277 , d ) 500 , e ) 400

Ex Output:
e


Ex Input:
Problem: an article is bought for rs . 560 and sold for rs . 340 , find the loss percent ? 
Options: a ) 36 % , b ) 38 % , c ) 16 % , d ) 39 % , e ) 12 %

Ex Output:
d


Ex Input:
Problem: the population of a town is 10000 . it increases annually at the rate of 20 % p . a . what will be its population after 5 years ? 
Options: a ) 14300 , b ) 24883 , c ) 14500 , d ) 14600 , e ) 15400

Ex Output:

b