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: how many multiples of 2 are there between 10 and 52 , 10 and 52 inclusive ? 
Options: a ) 27 , b ) 25 , c ) 24 , d ) 21 , e ) 22

Ex Output:
e


Ex Input:
Problem: ( 112 x 5 ^ 4 ) = ? 
Options: a ) 70000 , b ) 80000 , c ) 90000 , d ) 90090 , e ) 100000

Ex Output:
a


Ex Input:
Problem: what could be the range of a set consisting of odd multiples of 5 ? 
Options: a ) 21 , b ) 24 , c ) 35 , d ) 62 , e ) 60

Ex Output:

e