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: Pharmacology
[{'content': 'Treatment of choice for SIADH is: \nSelect and explain. \nA. Lithium carbonate, B. Demeclocycline, C. Vasopressin, D. Hypeonic Saline', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Demeclocycline', 'role': 'assistant'}]