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: Social & Preventive Medicine
[{'content': 'Adequate Total per capita water for Urban domestic purposes? \nSelect and explain. \nA. 50-100 Liters, B. 100-150 Liters, C. 150-200 Liters, D. 200-250 Liters', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 150-200 litresThe basic physiological requirements for drinking water have been estimated at about 2 litres per head per day.A daily supply of 150-200 litres per capita is considered as an adequate supply to meet the needs for all urban domestic purposes.", 'role': 'assistant'}]