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: if x is 20 percent more than y and y is 60 percent less than z , then x is what percent of z ? 
Options: a ) 500 % , b ) 48 % , c ) 500 / 3 % , d ) 125 % , e ) 60 %

Ex Output:
b


Ex Input:
Problem: a envelop weight 8.5 gm , if 820 of these envelop are sent with an advertisement mail . how much wieght ? 
Options: a ) 6.6 kg , b ) 6.8 kg , c ) 6.7 kg , d ) 6.97 kg , e ) 7.8 kg

Ex Output:
d


Ex Input:
Problem: what least number must be subtracted from 2000 to get a number exactly divisible by 17 ? 
Options: a ) 9 , b ) 8 , c ) 5 , d ) 11 , e ) 15

Ex Output:

d