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': 'What is intermediate cementum: \nSelect and explain. \nA. Cementum present between acellular and cellular cementum., B. Narrow zone of highly calcified tissue between cementum and dentin., C. It is formed before tooth eruption., D. None of the above.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Intermediate cementum\n-Hyaline layer of Hopewell Smith\n-Narrow zone of Highly calcified tissue b/w cementum & dentin', 'role': 'assistant'}]