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

Example Input: Problem: there are 760 students in a school . the ratio of boys and girls in this school is 3 : 5 . find the total of girls & boys are there in this school ? 
Options: a ) 320 , b ) 345 , c ) 425 , d ) 475 , e ) 400
Example Output: d

Example Input: Problem: if there are 10 apples and 20 oranges , what is the ratio of apples to oranges ? 
Options: a ) 10 : 20 , b ) 2 : 4 , c ) 1 : 2 , d ) 4 : 8 , e ) it can not be determined from the information given
Example Output: c

Example Input: Problem: in a group of 10 doctors , 3 doctors are only pediatricians ; the others are surgeons or general practitioners - but not both . a team of 3 doctors is to be chosen which must have at least 1 pediatrician , how many different teams can be chosen ? 
Options: a ) 85 , b ) 140 , c ) 60 , d ) 80 , e ) 75
Example Output:
a