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': 'The first book on child dentistry was published by \nSelect and explain. \nA. G W Wright, B. Joseph Hurlock, C. Granuldy, D. Robert Buna', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]