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': 'Which pa of brain has olivary nucleus? \nSelect and explain. \nA. Pons, B. Midbrain, C. Spinal cord, D. Medulla', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is'd'i.e., MedullaOlivary nucleus is seen in medulla oblongata.", 'role': 'assistant'}]