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: Ophthalmology
[{'content': 'Bitemporal hemianopia can be due to: \nSelect and explain. \nA. Third ventricle tumour, B. Meningioma of sella diaphragmatica, C. Calcarine coex infarction, D. Aneurysm of basilar aery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Meningioma of sella diaphragmatica', 'role': 'assistant'}]