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: Pathology
[{'content': 'The cresent forming glomerulonephritis is ? \nSelect and explain. \nA. RPGN, B. Acute GN, C. Membranous GN, D. Membrano proliferative GN', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., RPGN", 'role': 'assistant'}]