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: Medicine
[{'content': "Condition associated with obesity are all except - \nSelect and explain. \nA. Pheochromocytoma, B. Hypothyroidism, C. Insulinoma, D. Cushing's syndrome", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]