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': 'A dead body in casuality showed fine leathery froth coming out of the month and nostrils; and it comes out profusely on pressing the chest wall; cause is - \nSelect and explain. \nA. Drowning, B. Morphine poisoning, C. Strangulation, D. Dhatura poisoning', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fine lathery froth in mouth and nose which increases on chest compression → specific finding of drowning.', 'role': 'assistant'}]