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': 'The shotgun does not contain - \nSelect and explain. \nA. Barrel, B. Choke bore, C. Bullets, D. Muzzle', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Projectiles of shotgun are lead (or recently steel) shots and pellets (not bullet). Bullets are projectile of rifled firearm (rifle, pistol, revolver).\nBarred, muzzle and choke bore (chocking at muzzle end) are parts of the shotgun.', 'role': 'assistant'}]