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': 'Type I enamel etching pattern \nSelect and explain. \nA. Involves the dissolution of prism peripheries, B. Involves the dissolution of prism cores, C. Not related with enamel prism, D. Involves dentin and enamel', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]