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 most specific feature of death due to hanging is : \nSelect and explain. \nA. Tardieu spos, B. Ligature mark, C. Fracture of thyroid cailage, D. Dribbling of saliva', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Dribbling of saliva', 'role': 'assistant'}]