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': 'Force of constriction required for the obstruction of Jugular vein is \nSelect and explain. \nA. 5 kg, B. 2 kg, C. 15 kg, D. 20 kg', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Just 2 kg constriction force is sufficient to obstruct Jugular vein.', 'role': 'assistant'}]