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': 'TMJ is a type of: \nSelect and explain. \nA. Secondary joint., B. Ginglino- Arthroidal joint., C. Synovial joint., D. All of the above.', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Based on evolution TMJ is a secondary joint.\nHas rotational and sliding movement hence Ginglino- Arthroidal joint.\nIt has articulation of 3 bones hence compound joint.', 'role': 'assistant'}]