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': 'Medulla oblongata arises from ? \nSelect and explain. \nA. Prosencephalon, B. Rhombencephalon, C. Mesencephalon, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., RhombencephalonMedulla oblongata is derived from Hind brain (rhaombencephalon).", 'role': 'assistant'}]