This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Forensic Medicine
[{'content': 'In tandem bullet, number fired is \nSelect and explain. \nA. 1, B. 2, C. 3, D. 4', 'role': 'user'}, {'content': 'Answer: B \nExplanation: TANDEM BULLET or PIGGY BACK BULLET : Two bullets are ejected in same shot one after other. Ref : Krishnan vij Textbook of Forensic medicine and Toxicology 5th edtion ; pg no - 229', 'role': 'assistant'}]