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': 'A 24 year old male presents with abdominal pain, rashes, palpable purpura and, ahritis. The most probable diagnosis is: \nSelect and explain. \nA. Henoch Schonlein Purpura (HSP), B. Sweet syndrome, C. Meningococcemia, D. Hemochromatosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: The above mentioned clinical features are the classic presentation of HSP. So Henoch Schonlein Purpura is the single best answer of choice. Ref: Harrison's Principles of Internal Medicine, 16th Edition, Page 2010", 'role': 'assistant'}]