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: ENT
[{'content': 'Vomer bone is seen in \nSelect and explain. \nA. Medial wall of nose, B. Lateral wall of nose, C. External nose, D. Floor of the nose', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]