This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
[{'content': 'The sickle shaped fold of dura mater \nSelect and explain. \nA. Falx Cerebri, B. Tentorium cerebelli, C. Falx cerebelli, D. Diaphragma sellae', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The falx cerebri is a large sickle-shaped fold of dura mater occupying the median longitudinal fissure between the two cerebral hemispheresRef: BD Chaurasia, Volume 3, 6th edition; Page no: 91', 'role': 'assistant'}]