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': "Tweed's triangle denotes: \nSelect and explain. \nA. The position of maxilla and mandible to each other, B. The angle between the mandibular plane and mandibular incisors, C. Relationship between maxillary central and mandibular central incisor, D. Profile of an individual", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]