This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Toxicology - 1, Subject name: Forensic Medicine
[{'content': 'THE BED SIDE TEST, WHICH IS USED TO DETECT CYANIDE IS:- \nSelect and explain. \nA. MARQUIS TEST, B. LEE JONES TEST, C. MARSH TEST, D. MYDRIATIC TEST', 'role': 'user'}, {'content': "Answer: B \nExplanation: Relevant explanations to know Poison Tests Cyanide Lee jones test Opium Marquis test Datura Mydriatic test CO Hoppe-Seyler's test, Kunkel's test Marsh Arsenic Reinsch test Heavy metals LEE JONES TEST : if test reactions shows Greenish-blue colour indicates cyanide, and purplish colour for salicylates.", 'role': 'assistant'}]