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': 'Number of inpatient beds in PHC ? \nSelect and explain. \nA. 6, B. 10, C. 20, D. 25', 'role': 'user'}, {'content': 'Answer: A \nExplanation: PHC → 6 beds\nCHC → 30 beds', 'role': 'assistant'}]