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': 'Leathery stomach is seen in poisoning with: BHU 09 \nSelect and explain. \nA. HCl, B. H2SO4, C. Carbolic acid, D. Oxalic acid', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Carbolic acid', 'role': 'assistant'}]