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': 'Maximum damage to esophagus is with: Punjab 11 \nSelect and explain. \nA. H2SO4, B. Sodium hydroxide, C. Acetic acid, D. Nitric acid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Sodium hydroxide', 'role': 'assistant'}]