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: Anatomy
[{'content': 'Superior cerebral veins drains into - \nSelect and explain. \nA. Great cerebral vein, B. Vein of galen, C. Superior sagittal sinus, D. Inferior sagittal sinus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Superior cerebral veins drain into superior sagittal sinus.', 'role': 'assistant'}]