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: Dental
[{'content': 'A test comes negative but the disease was present in subject. This is: \nSelect and explain. \nA. False positive, B. False negative, C. True positive, D. True negative', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]