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: Microbiology
[{'content': 'Which of the following is not due to complement deficiency? \nSelect and explain. \nA. SLE, B. PNH, C. Glomerulonephritis, D. Neisseria infection', 'role': 'user'}, {'content': 'Answer: B \nExplanation: PNH is due to complement regulatory protein deficiency (DAF and CD59).', 'role': 'assistant'}]