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

Example Input: Problem: in the standard formulation of a flavored drink the ratio by volume of flavoring to corn syrup to water is 1 : 12 : 30 . in the sport formulation , the ratio of flavoring to corn syrup is three times as great as in the standard formulation , and the ratio of flavoring to water is half that of the standard formulation . if a large bottle of thesportformulation contains 5 ounces of corn syrup , how many ounces of water does it contain ? 
Options: ['a ) 15', 'b ) 30', 'c ) 45', 'd ) 75', 'e ) 90']
Example Output: d

Example Input: Problem: divide rs . 32000 in the ratio 3 : 9 ? 
Options: a ) 12000 , 20000 , b ) 12000 , 200098 , c ) 12000 , 20007 , d ) 12000 , 20006 , e ) 8000 , 24000
Example Output: e

Example Input: Problem: two spheres of their radios in the ratio 4 : 3 . find its volumes ratio ? 
Options: ['a ) 64 : 13', 'b ) 13 : 64', 'c ) 27 : 64', 'd ) 64 : 27', 'e ) none of them']
Example Output:
d