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: Medicine
[{'content': 'Bony erosion are seen in the following except - \nSelect and explain. \nA. Gout, B. Psoriasis, C. SLE, D. Osteoahritis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer- C. SLERheumatoid afihritisGouty ahritis- lst MTPPseudogout knee (Calcium phyrophosphate crystal deposition)Psoriatic ahritisAnkylosi ng spondylitisOA', 'role': 'assistant'}]