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': 'A bullet fired from a gun is not released. It is released out with the subsequent shot. It is known as: \nSelect and explain. \nA. Dum Dum bullet, B. Tandem bullet, C. Ricochet bullet, D. None of the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Tandem or piggyback bullets are ejected one after the other, when the first bullet having been stuck in the barrel fails to leave the barrel and is ejected by the subsequently fired bullet Ref: Parikh, 6th ed, page 4.26.', 'role': 'assistant'}]