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: Anaesthesia
[{'content': 'Dose of Ketamine is \nSelect and explain. \nA. 0.5 mg/Kg l/m, B. 2 mg/kg I/v, C. 5mg/kg I/v, D. 10mg / kg I/m', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. 2mg/Kg IV', 'role': 'assistant'}]