This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General obstetrics, Subject name: Anatomy
[{'content': 'Percentage of water in amniotic fluid : \nSelect and explain. \nA. 42%, B. 64%, C. 76%, D. 99%', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Composition of amniotic fluid : Water -98-99% Solid -1-2% -Inorganic, Organic, Suspended paicles. Ref:Datta Obs 9e pg 34.', 'role': 'assistant'}]