This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanical injuries, Subject name: Forensic Medicine
[{'content': 'Gutter fracture of skull results from \nSelect and explain. \nA. Injury with a round object, B. Bullet injuries, C. Automobile accident, D. Falling from height', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Gutter fractures: They are formed when pa of the thickness of the bone is removed so as to form a gutter e.g. oblique bullet wound. Ref - Krishnan Vij 5th edition pg 156 ,275', 'role': 'assistant'}]