This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Dental
In a government policy to achieve Millennium Development Goal 4; it was decided to immunize 90% of the children to reduce IMR to 30. ‘The reduction of IMR to 30’ is: 
Select and explain. 
A. Target, B. Objective, C. Goal, D. Mission
B: Objective
Answer: B: Objective 
Explanation: None