This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Asphyxial Deaths, Subject name: Forensic Medicine
[{'content': 'Le-facies expression is due to \nSelect and explain. \nA. Hanging, B. Strangulation, C. Throttling, D. Cafe coronary', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) HangingRef: The essentials of FSM by KS Narayan Reddy 31st ed./319* Le facies sympathique is an expression which is seen in cases of antemortem hanging.* When the ligature knot presses on cervical sympathetic, the eyes on the same side may remain open and its pupil dilated. This particular finding is known as le facies sympathique.', 'role': 'assistant'}]