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': 'Pulp therapy which sweet name associated with \nSelect and explain. \nA. Formocresol pulpotomy, B. Beech wood cresol pulpotomy, C. Non vital pulpotomy, D. Pulpectomy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]