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: Forensic Medicine
[{'content': 'Gutter fracture results from - \nSelect and explain. \nA. Injury with a large round object, B. Bullet injuries, C. Automobile accident, D. Falling from a height', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Gutter fracture : When a part thickness of bone is removed (fracture involves only the outer table of skull), e.g. glancing (oblique) bullet wounds in firearm injury.', 'role': 'assistant'}]