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': 'All are neural plate inducers except \nSelect and explain. \nA. Notochord appearance, B. High BMP, C. FGF upregulation, D. Prechordal mesoderm', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. High BMP', 'role': 'assistant'}]