This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Rural & Urban Health Centres, Workers, Norms, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following workers is located at as sub-centre? \nSelect and explain. \nA. Anganwadi worker, B. Multi - purpose worker, C. ASHA, D. Health assistant', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Multi - purpose worker is located at: Sub - centre Anganwadi worker is located at: Village level or Urban slums ASHA is located at : Village level Health assistant is located at: PHC.', 'role': 'assistant'}]