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: Medicine
[{'content': 'In ARDS  mechanical TV is \nSelect and explain. \nA. 2-3ml/kg, B. 5-7 mI/kg, C. 5-lOml/kg, D. 12-14ml/kg', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Low volume ventillation(6 ml/kg predicted body weight)has got lower mortality(31%) as compared to the conventional ventilation (12 mL/kg predicted body weight)-40%.', 'role': 'assistant'}]