Direction: The following questions consist of two words each that have a certain relationship to each other, following by four lettered pairs of words. Select the lettered pair that has the same relationship as the original pair of words.
- 
					 Bus :Diver
 
- 
                        
- Cook : Kitchen
 - Class : Student
 - War :Soldier
 - Machine : Operator
 
 
Correct Option: D
Second makes the first work.