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: Dental
[{'content': 'Dental hygienist is included under \nSelect and explain. \nA. Non-operating auxiliaries, B. Operating auxiliaries, C. Dental specialist, D. Passive dental manpower', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]