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: Pediatrics
[{'content': 'The primary dentition begins to show teeth eruption by- \nSelect and explain. \nA. 6 weeks, B. 12 weeks, C. 6 months, D. 12months', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., 6 weeks o Rule of six :- Primary (temporary) dentition begins --> 6 weeks. Secondary (permanent) dentition begins --> 6 years.", 'role': 'assistant'}]