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: in business , a and c invested amounts in the ratio 2 : 1 , whereas the ratio between amounts invested by a and b was 2 : 3 , if rs 15,0000 was their profit , how much amount did b receive . 
Options: a ) 12653 , b ) 14587 , c ) 36975 , d ) 75000 , e ) 12874

Ex Output:
d


Ex Input:
Problem: what percent of 12.4 kg is 20 gms ? 
Options: a ) 25 , b ) 16 , c ) 18 , d ) 19 , e ) 17

Ex Output:
b


Ex Input:
Problem: the population of a town is 10000 . it increases annually at the rate of 30 % p . a . what will be its population after 2 years ? 
Options: a ) 14000 , b ) 14400 , c ) 14500 , d ) 14600 , e ) 16900

Ex Output:

e