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': 'Le facies sympathique is seen in: \nSelect and explain. \nA. Traffic accident, B. Hanging, C. Strangulation, D. Myocardial infarction', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Hanging', 'role': 'assistant'}]