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': 'The teeth are in occlusal contact for the following percent of times in a day: \nSelect and explain. \nA. 94%., B. 2-6%, C. 6-8%, D. 10-15%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]