In this task, you need to provide the correct option for a given problem from the provided options.

Ex Input:
Problem: in a neighborhood having 90 households , 11 did not have either a car or a bike . if 14 households had a both a car and a bike and 44 had a car , how many had bike only ? 
Options: a ) 30 , b ) 35 , c ) 20 , d ) 18 , e ) 10

Ex Output:
b


Ex Input:
Problem: the hcf of two numbers is 42 and the other two factors of their lcm are 10 and 20 . what is the largest number . 
Options: a ) 462 , b ) 450 , c ) 840 , d ) 504 , e ) 555

Ex Output:
c


Ex Input:
Problem: if w is the set of all the integers between 29 and 99 , inclusive , that are either multiples of 3 or multiples of 2 or multiples of both , then w contains how many numbers ? 
Options: a ) 26 , b ) 32 , c ) 33 , d ) 34 , e ) 47

Ex Output:

e