This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNB 2018, Subject name: Social & Preventive Medicine
[{'content': 'Quantitative requirement of water in Urban areas per day:- \nSelect and explain. \nA. 220 liters per capita, B. 100 liters per capita, C. 150 liters per capita, D. 300 liters per capita', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Urban areas 150-200 litres per capita Rural areas 40 litres per capita', 'role': 'assistant'}]