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': 'Normal body temperatures is 98deg F. Standard detion is 1. For 95% of persons lower limit of body temperature ? \nSelect and explain. \nA. 97deg F, B. 96deg F, C. 95deg F, D. 94deg F', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., 96deg F", 'role': 'assistant'}]