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': 'Very rarely enamel overlap cementum, but this condition is seen in which of the following case? \nSelect and explain. \nA. Cervical enamel projection, B. Cervical resorption, C. Erosion, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]