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': 'Gastric lavage is contraindicated in poisoning with: \nSelect and explain. \nA. Morphine, B. Kerosene, C. Carbolic acid, D. Diazepam', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Kerosene', 'role': 'assistant'}]