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

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

Example Input: Problem: how many factors of 220 are odd numbers greater than 1 ? 
Options: a ) 3 , b ) 4 , c ) 5 , d ) 6 , e ) 7
Example Output: a

Example Input: Problem: how many positive integers between 20 and 2000 ( both are inclusive ) are there such that they are multiples of 10 ? 
Options: a ) 201 , b ) 193 , c ) 200 , d ) 199 , e ) 195
Example Output:
d