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 instrument that is used to record the centre of condylar rotation along with a third reference point \nSelect and explain. \nA. Articulator, B. Face bow, C. Gothic arch tracer, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]