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 t = 5 / 9 * ( k - 32 ) , and if t = 35 , then what is the value of k ? 
Options: a ) 92 , b ) 95 , c ) 98 , d ) 101 , e ) 104

Ex Output:
b


Ex Input:
Problem: how many halves are there in 9 - fourth ? 
Options: a ) 8 , b ) 4.5 , c ) 3.2 , d ) 7 , e ) 3

Ex Output:
b


Ex Input:
Problem: x varies inversely as square of y . given that y = 2 for x = 1 . the value of x for y = 6 will be equal to : 
Options: a ) 1 / 2 , b ) 1 / 3 , c ) 1 / 5 , d ) 1 / 9 , e ) 1 / 3

Ex Output:

d