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': 'Pyogenic infection and brain infarction associated with - \nSelect and explain. \nA. Coagulative necrosis, B. Liquefaction necrosis, C. Caseous necrosis, D. Fat necrosis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Liquefactive necrosis", 'role': 'assistant'}]