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': 'Kau thermometer is used for recording ? \nSelect and explain. \nA. Maximum and minimum temperature, B. Low air velocities, C. Relative humidity of the air, D. Mean radiant temperature', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Mean radiant temperature", 'role': 'assistant'}]