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': "Coomb's positive hemolytic anemia associated with- \nSelect and explain. \nA. TTP, B. PAN, C. SLE, D. HUS", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]