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: Surgery
[{'content': 'Pseudoahrosis may be seen in all of the following conditions except: \nSelect and explain. \nA. Fracture, B. Idiopathic, C. Neurofibromatosis, D. Osteomyelitis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Osteomyelitis', 'role': 'assistant'}]