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': 'Regarding xenon all are true except \nSelect and explain. \nA. Inhalational anaesthetic agent  with lower blood- gas partition coefficient, B. Attains lower alveolar concentration, C. Faster induction and recovery, D. Least soluble anaesthetic agent in blood.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Since xenon has lower blood gas partition coefficient, it attains higher alveolar concentration.', 'role': 'assistant'}]