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': 'Zoonotic diseases are - \nSelect and explain. \nA. Salmonellosis, B. Plague, C. Anthrax, D. All', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'All", 'role': 'assistant'}]