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': 'Shotgun does not contain use: NEET 13 \nSelect and explain. \nA. Barrel, B. Choke bore, C. Bullets, D. Muzzle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. Bullets', 'role': 'assistant'}]