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: Skin
[{'content': 'All are included in the criteria for diagnosis of systemic lupus erythematosus, except: \nSelect and explain. \nA. Photosensitivity, B. Malar rash, C. Discoid rash, D. Painful oral ulcers', 'role': 'user'}, {'content': 'Answer: D \nExplanation: SLE produce painless oral ulcers.', 'role': 'assistant'}]