This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diuretic, Subject name: Pharmacology
[{'content': 'Glycerol is an - \nSelect and explain. \nA. Osmotic diuretic, B. Purgative, C. Antidiabetic, D. Antiemetic', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Osmotic diuretic o Osmotic diuretics are -GlycerolIsosorbideMannitol", 'role': 'assistant'}]