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': 'Carbolic acid poisoning; Postmoem finding are : \nSelect and explain. \nA. Greenish stomach, B. Yellow charred stomach, C. Leathery stomach, D. Black charred stomach', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Leathery stomach', 'role': 'assistant'}]