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': 'Vector borne diseases are – a)  Syphilisb)  Typhusc)  Dengued)  J.E. \nSelect and explain. \nA. abc, B. bcd, C. ac, D. bd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]