This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special topics, Subject name: Anatomy
[{'content': "A tangential cut by sword or butcher's knife produces \nSelect and explain. \nA. Greenstick fracture, B. Ring fracture, C. Gutter fracture, D. Sutural fracture", 'role': 'user'}, {'content': "Answer: C \nExplanation: Gutter fracture In this, the outer pa of the bone us chipped off by a tangential force and a gutter is formed. Gutter fracture is caused by a bullet touching the outer table and is not penetrating the skull This can also be produced by a tangential cut by a sword or butcher's knife. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 163", 'role': 'assistant'}]