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
Which of the following is/arc didactic methods of health communication? 
Select and explain. 
A. Group discussion, B. Workshop, C. Demonstration, D. All
C: Demonstration
Answer: C: Demonstration 
Explanation: Ans. is 'c' i.e., Demonstration