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': 'Obturation of deciduous tooth can be done with- \nSelect and explain. \nA. Gutta percha, B. Iodoform paste, C. Silver points, D. Thermoplasticized gutta percha', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]