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

Example Input: Problem: what is the square root of 5,625 ? 
Options: a ) a ) 18 , b ) b ) 75 , c ) c ) 45 , d ) d ) 62 , e ) e ) 81
Example Output: b

Example Input: Problem: income and expenditure of a person are in the ratio 5 : 4 . if the income of the person is rs . 17000 , then find his savings ? 
Options: a ) 3600 , b ) 3400 , c ) 3608 , d ) 3602 , e ) 3603
Example Output: b

Example Input: Problem: in a school having roll strength 286 , the ratio of boys and girls is 8 : 5 . if 22 more girls get admitted into the school , the ratio of boys and girls becomes 
Options: ['a ) 12 : 7', 'b ) 10 : 7', 'c ) 8 : 7', 'd ) 4 : 3', 'e ) none']
Example Output:
d