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: Anatomy
[{'content': 'Structures derived from the neural crest are? \nSelect and explain. \nA. Pia, B. Dental papillae, C. Adrenal medulla, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. All of the above', 'role': 'assistant'}]