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 papilla gives rise to: \nSelect and explain. \nA. Pulp only, B. Pulp and dentin, C. Pulp and periodontal ligament, D. All of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Components of Tooth Germ During Cap Stage', 'role': 'assistant'}]