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: Radiology
[{'content': 'In interveebral disc prolapse, schmorl node on MRI implies: \nSelect and explain. \nA. Significant, B. Not significant, C. Good prognosis, D. Not prognostic', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. Not significant', 'role': 'assistant'}]