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': 'Pulmonary segments in middle lobe of right lung are: \nSelect and explain. \nA. Medial, B. Upper, C. Lower, D. All', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A. i.e. Medial', 'role': 'assistant'}]