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: when positive integer x is divided by positive integer y , the remainder is 9 . if x / y = 96.12 , what is the value of y ? 
Options: a ) 96 , b ) 75 , c ) 48 , d ) 25 , e ) 12

Ex Output:
b


Ex Input:
Problem: a number is doubled and 6 is added . if resultant is trebled , it becomes 72 . what is that number 
Options: a ) 8 , b ) 10 , c ) 9 , d ) 14 , e ) 16

Ex Output:
c


Ex Input:
Problem: if 10 x = 8 y = 14 z , then what is a possible sum of positive integers x , y , and z ? 
Options: a ) 52 , b ) 166 , c ) 84 , d ) 122 , e ) 168

Ex Output:

b