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': 'The constitution of soda lime is – \nSelect and explain. \nA. 5% Ca(OH)2, 95%NaOH, B. 5% NaOH, 95% Ca(OH)2, C. 5% KoH 95%NaOH, D. 100% Ca(OH)2', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]