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': 'Who proposed the nasal septum "theory of craniofacial growth"? \nSelect and explain. \nA. Mass, B. Sicher, C. Vander Linden, D. Latham', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]