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

Input: Consider Input: Problem: income and expenditure of a person are in the ratio 10 : 4 . if the income of the person is rs . 19000 , then find his savings ? 
Options: a ) 79754 , b ) 87689 , c ) 59875 , d ) 11400 , e ) 87648

Output: d


Input: Consider Input: Problem: if 5 and 8 are factors of 60 n , what is the minimum value of n ? 
Options: a ) 2 , b ) 3 , c ) 7 , d ) 14 , e ) 56

Output: a


Input: Consider Input: Problem: what is the greatest positive integer t such that 3 ^ t is a factor of 9 ^ 10 ? 
Options: a ) 5 , b ) t = 9 , c ) t = 10 , d ) t = 20 , e ) 30


Output: d