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': 'Liquefactive action on necrotic tissue results in? \nSelect and explain. \nA. Gangrene, B. Embolism, C. Infarct, D. Caseation', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Gangrene Wet gangrene occurs when liquefactive necrosis is superimposed on coagulative necrosis.", 'role': 'assistant'}]