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': 'If tooth is present at the time of birth is known as \nSelect and explain. \nA. Neonatal tooth, B. Perinatal tooth, C. Natal tooth, D. Prenatal tooth', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]