This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autoimmune Skin Disorders, Subject name: Skin
[{'content': 'A 42 year old female has palpable purpura with rash over buttocks, pain in abdomen, and arthropathy diagnosis is - \nSelect and explain. \nA. Sweet syndrome, B. HSP, C. Purpura fulminans, D. Meningococcemia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Typical HSP Henoch Schonlein Purpura (HSP) rash:', 'role': 'assistant'}]