This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'In neurofibromatosis 1 most common tumor is \nSelect and explain. \nA. Optic nerve glioma, B. Cerebral astrocytoma, C. Glioblastoma multiforme 8, D. Meningioma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Optic nerve glioma is an astrocytoma common in patients with neurofibromatosis 1. It is tumor of children most commonly seen in girls Refer khurana 6/e 419', 'role': 'assistant'}]