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

Ex Input:
Problem: what number has a 5 : 1 ratio to the number 11 ? 
Options: a ) 22 , b ) 50 , c ) 55 , d ) 52 , e ) 12

Ex Output:
c


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: in a graduating class of 232 students , 144 took geometry and 119 took biology . what is the difference between the greatest possible number w and the smallest possible number of students that could have taken both geometry and biology ? 
Options: a ) 144 , b ) 119 , c ) 113 , d ) 88 , e ) 31

Ex Output:

d