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': 'In adenoid facies, the facial profile is \nSelect and explain. \nA. Long and wide, B. Long and narrow, C. Short and wide, D. Short and narrow', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]