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: Physiology
[{'content': 'Total body water constitute what percentage of Body Weight \nSelect and explain. \nA. 80%, B. 60%, C. 33%, D. 25%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]