In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Ex Input:
Problem: find the value of 80641 x 9999 = m ? 
Options: a ) 807518799 , b ) 806436469 , c ) 807538799 , d ) 806329359 , e ) 817431046

Ex Output:
d


Ex Input:
Problem: a , b , c subscribe rs . 50,000 for a business . if a subscribes rs . 4000 more than b and b rs . 5000 more than c , out of a total profit of rs . 38,000 , what will be the amount a receives ? 
Options: a ) 14700 , b ) 15960 , c ) 14900 , d ) 14300 , e ) 14000

Ex Output:
b


Ex Input:
Problem: a man is 26 years older than his son . in two years , his age will be twice the age of his son . the present age of this son is 
Options: a ) 78 years , b ) 22 years , c ) 88 years , d ) 66 years , e ) 24 years

Ex Output:

e