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

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 p 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


Ex Input:
Problem: there are 760 students in a school . the ratio of boys and girls in this school is 3 : 5 . find the total of girls & boys are there in this school ? 
Options: a ) 320 , b ) 345 , c ) 425 , d ) 475 , e ) 400

Ex Output:
d


Ex Input:
Problem: how many different positive integers are factors of 36 ? 
Options: a ) 4 , b ) 6 , c ) 7 , d ) 9 , e ) 11

Ex Output:

d