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': 'Di collar or grease collar is seen in: NEET 13 \nSelect and explain. \nA. Punctured wound by sharp weapon, B. Lacerated wound, C. Firearm entry wound, D. Stab wound', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Firearm entry wound', 'role': 'assistant'}]