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': "Chaga's disease is transmitted by ? \nSelect and explain. \nA. Hard tick, B. Soft tick, C. Sandfly, D. Reduvid bug", 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Reduvid bug Chaga's disease is transmitted by Reduvid bug.", 'role': 'assistant'}]