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': 'Non Palpable purpura is seen in A/E \nSelect and explain. \nA. H. S. Purpura, B. Drug induced vasculitis, C. Idiopathic thrombocyto penic purpura, D. Amyloid', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. H. S. Purpura', 'role': 'assistant'}]