This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Regional injuries, Subject name: Forensic Medicine
[{'content': 'Under-running may involve: \nSelect and explain. \nA. Crush injury abdomen, B. Run over injury, C. Decapitation, D. Chest injury', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Under-running/ tail gating Tail-gating occasionally occurs with cars driving into the back of large trucks. In such case, the windscreen and front of the passenger compament are smashed with severe injuries to the head and in some cases decapitation of the occupants of the front seat. Also seen where the motorcyclist drives under the rear of the truck, causing head injuries and even decapitation.', 'role': 'assistant'}]