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': 'In diabetes insipidus, diuretic showing paradoxical antiduretic activity - \nSelect and explain. \nA. Thiazide, B. Triamterene, C. Spironolactone, D. Furosemide', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Thiazide Thiazide diuretics paradoxically decrease urine output in DI due to formation of cAMP in distal tubules effective in both central and nephrogenic DI.", 'role': 'assistant'}]