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 "knot" in judicial hanging is placed at: \nSelect and explain. \nA. The back of the neck, B. The side of the neck, C. Below the chin, D. Choice of hangman', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The side of the neck', 'role': 'assistant'}]