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
[{'content': 'Transition from increased prevalence of infectious pandemic diseases to man made disease is known as \nSelect and explain. \nA. Paradoxical transition, B. Reversal of transition, C. Epidemiological transition, D. Demographic transition', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]