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

Input: Consider Input: Problem: there are 250 doctors and nurses at a hospital . if the ratio of doctors to nurses is 2 to 3 , how many nurses are at the hospital ? 
Options: a ) 134 , b ) 138 , c ) 142 , d ) 146 , e ) 150

Output: e


Input: Consider Input: Problem: 9 log 9 ( 6 ) = ? 
Options: a ) 1 , b ) 6 , c ) 3 , d ) 4 , e ) 5

Output: b


Input: Consider Input: Problem: income and expenditure of a person are in the ratio 8 : 7 . if the income of the person is rs . 40000 , then find his savings ? 
Options: a ) 5000 , b ) 6000 , c ) 7000 , d ) 8000 , e ) 9000


Output: a