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': "'Boiled lobster' appearance is seen in poisoning with: DNB 08 \nSelect and explain. \nA. Carbolic acid, B. Boric acid, C. Oxalic acid, D. H2SO4 poisoning", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Boric acid', 'role': 'assistant'}]