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: Forensic Medicine
[{'content': 'After death, greenish discoloration in right iliac fossa is seen after - \nSelect and explain. \nA. 46 hours, B. 48 to 72 hours, C. 12 to 24 hours, D. 1 week', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Greenish color in right iliac fossa is seen after 12 to 24 hours.', 'role': 'assistant'}]