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: Surgery
[{'content': 'Which among the following is main component of intracellular fluid? \nSelect and explain. \nA. Sodium, B. Chloride, C. Magnesium, D. Bicarbonate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Cations like Potassium and Magnesium, Anions like phosphate and sulfate are main component of intracellular fluid.', 'role': 'assistant'}]