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
[{'content': 'Which of the following is not spread by Aedes mosquito - \nSelect and explain. \nA. Dengue fever, B. Chickungunya, C. Japanese encephalitis, D. Yellow fever', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Japanese encephalitis", 'role': 'assistant'}]