This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Concepts of Immunity, Classification of Vaccines, Subject name: Social & Preventive Medicine
[{'content': 'All are Live vaccines except:- \nSelect and explain. \nA. Rabies, B. Influenza, C. Yellow fever, D. Rubella', 'role': 'user'}, {'content': 'Answer: A \nExplanation: - Rabies is a killed vaccine. Hence option-1 is wrong. - Influenza vaccine can be live attenuated, killed as well as subunit vaccine.', 'role': 'assistant'}]