This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mechanical injuries, Subject name: Forensic Medicine
[{'content': 'Kennedy phenomenon is seen in - \nSelect and explain. \nA. Road traffic accident, B. Gunshot injury, C. Burns, D. Contusion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Kennedy phenomenon is seen in a gun shot injury . In reference to 35th American president J.F Kennedy who died of gun shot ,during the autopsy it was difficult to differentiate the entry wound & exit wound due to surgical alterations. Ref: NCBI.org', 'role': 'assistant'}]