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

Example Input: Problem: the ratio of 2 numbers is 4 : 6 and their h . c . f . is 8 . their l . c . m . is ? 
Options: a ) 20 , b ) 24 , c ) 52 , d ) 96 , e ) 60
Example Output: d

Example Input: Problem: teas worth rs . 126 per kg and rs . 135 per kg are mixed with a third variety in the ratio 1 : 1 : 2 . if the mixture is worth rs 157 per kg , the price of the third variety per kg will be ? 
Options: a ) rs . 147.50 , b ) rs . 785.50 , c ) rs . 179.50 , d ) rs . 258.50 , e ) none of these
Example Output: c

Example Input: Problem: if 0.2 of a number is equal to 0.08 of another number , the ratio of the numbers is : 
Options: a ) 2 : 3 , b ) 3 : 4 , c ) 2 : 5 , d ) 20 : 3 , e ) 30 : 7
Example Output:
c