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': 'Gothic arch tracing: \nSelect and explain. \nA. Intraoral tracing device, B. Extraoral tracing device, C. Records centric relation and the movements of mandible in horizontal plane, D. Records centric occlusion and the movements of mandible in vertical plane', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Gothic arch tracing (arrowhead tracing) is a graphical method of recording centric relation in a horizontal plane. It can be done using intraoral or extraoral tracers.', 'role': 'assistant'}]