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': 'The chance of occurrence of 2 canals in mandibular incisor is how much in % \nSelect and explain. \nA. 3, B. 12-Mar, C. 22-41, D. 22-Dec', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mandibular central incisor …incidence of two canals 26%...lateral incisors…28%...', 'role': 'assistant'}]