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: Unknown
[{'content': "Auto-Rikshaw ran over a child's thigh, there is a mark of the tire tracks, it is an \nSelect and explain. \nA. Contact bruise, B. Ectopic bruise, C. Imprint abrasion, D. None of the above", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Imprint or patterned abrasions may result from forceful impact, as in a pedestrian struck by a Vehicle. The importance of patterned abrasions lies in the fact that their shape can be matched to the causative object, and for this reason, they should be documented by photography with a scale, or by an accurate tracing. Common examples of imprint abrasions are the sole patterns of footwear in kicking assaults, and motor vehicle tire tread marks in run-over pedestrian deaths.', 'role': 'assistant'}]