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: Surgery
[{'content': "Which needle is used for pleural biopsy- \nSelect and explain. \nA. Vin Silvermann's, B. Abram's, C. Abraham's, D. Osgood's", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]