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: Anatomy
[{'content': 'What is the type of joints between the ossicles of ear? \nSelect and explain. \nA. Fibrous joints, B. Primary cailaginous, C. Secondary cailaginous joints, D. Synol joints', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Synol joint', 'role': 'assistant'}]