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': 'Deep inspiration above the water level may cause- \nSelect and explain. \nA. No effect on floatation of body, B. Early floatation of the body, C. Late floatation of the body, D. Late floatation of the body only in sea water', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Floating is due to putrefactive gases (not due to respiratory tract gases).', 'role': 'assistant'}]