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: Social & Preventive Medicine
Does not include in strand field's "seven I" principles of health education 
Select and explain. 
A. Identification, B. Involvement, C. Implementation, D. Innovation
C: Implementation
Answer: C: Implementation 
Explanation: "SEVEN I" principle of strandfield :

Identification.
Indigenization.
Involvement.
Indoctrination.
Integration.
Influencess.
Innovation.