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

Ex Input:
Problem: find the number of zeroes at the end of 50 ! 
Options: a ) 10 , b ) 11 , c ) 12 , d ) 13 , e ) 14

Ex Output:
c


Ex Input:
Problem: what is the square root of 3,249 ? 
Options: a ) a ) 18 , b ) b ) 9 , c ) c ) 45 , d ) d ) 62 , e ) e ) 57

Ex Output:
e


Ex Input:
Problem: there are 22 kids in a classroom . 12 kids are wearing socks and 8 are wearing shoes . 6 kids are wearing both . how many are bare feet ? 
Options: a ) 10 , b ) 2 , c ) 4 , d ) 5 , e ) 8

Ex Output:

e