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
Collection of health information, its use and its transmission to other levels of the system by non-professional health workers is 
Select and explain. 
A. Sentinel surveillance, B. Lay reporting, C. Census, D. Survey
B: Lay reporting
Answer: B: Lay reporting 
Explanation: None