This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anaesthesia
[{'content': 'Maximum safe dose of bupivacaine \nSelect and explain. \nA. 1 mg/kg, B. 2 mg/kg, C. 3 mg/kg, D. 5 mg/kg', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Maximum safe dose of bupivacaine is 2 mg/kg with or without adrenaline.', 'role': 'assistant'}]