This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'What is the use of the instrument shown below in Neurosurgery? \nSelect and explain. \nA. Craniotomy, B. Burr Hole, C. Suturing, D. Hydrocephalus', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Burr hole* Single best answer here- Burr hole', 'role': 'assistant'}]