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

Ex Input:
Problem: 90 people are attending a newspaper conference . 45 of them are writers and more than 38 are editors . of the people at the conference , x are both writers and editors and 2 x are neither . what is the largest possible number of people who are both writers and editors ? 
Options: a ) 18 , b ) 16 , c ) 12 , d ) 10 , e ) 6

Ex Output:
e


Ex Input:
Problem: the value of log 5 ( 1 / 125 ) is 
Options: a ) 3 , b ) - 3 , c ) 1 / 3 , d ) - 1 / 3 , e ) none

Ex Output:
b


Ex Input:
Problem: the compound ratio of 5 : 6 , 5 : 2 and 4 : 5 ? 
Options: a ) 1 : 1 , b ) 5 : 3 , c ) 1 : 6 , d ) 1 : 9 , e ) 1 : 2

Ex Output:

b