This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Asphyxia, Subject name: Forensic Medicine
[{'content': 'Death in fresh water occurs within \nSelect and explain. \nA. 1-2 minutes, B. 4-5 minutes, C. 10 minutes, D. 20 minutes', 'role': 'user'}, {'content': 'Answer: B \nExplanation: fatal period death in fresh water takes 4-5 minutes and in sea water it takes 8-12 minutes. Ref: TEXTBOOK OF FORENSIC MEDICINE AND TOXICOLOGY KRISHNAN VIJ FIFTH EDITION PAGE 136', 'role': 'assistant'}]