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': "Gottron's papules or sign seen in: \nSelect and explain. \nA. Dermatomyositis, B. Multiple myeloma, C. Acute myeloid leukemia, D. Psoriasis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Dermatomyositis', 'role': 'assistant'}]