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': 'Consider the following conditions - 1. Central diabetes insipidus, 2. Uncontrolled diabetes mellitus, 3. Mannitol infusion, 4. Post - obstructive diuresis. Which of the above result in solute diuresis? \nSelect and explain. \nA. 1 and 2 only, B. 1, 2 and 3, C. 2, 3 and 4, D. 1, 3 and 4', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]