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': 'Which of the following is not consistent with problem village: September 2011 \nSelect and explain. \nA. Source of safe water more than 1.6 km away, B. Availability of safe water at a depth of more than 1.5 meters, C. Source of water containing high salinity and fluorides, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B ie.: Availability of safe water at a depth of more than 1.5 meters; Problem village include availability of safe water at a depth of more than 15 meters.', 'role': 'assistant'}]