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': 'Gettlers test is positive in ? \nSelect and explain. \nA. Hanging, B. Drowning, C. Strangulation, D. Firearm injury', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Drowning Repeat from previous session. See explanation-2 of session-3.", 'role': 'assistant'}]