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: Psychiatry
[{'content': 'Etheromanias refer to - \nSelect and explain. \nA. Acute psychosis post ether anaesthesia, B. Ether addiction, C. Excessive ether use drug anaesthesia, D. None', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ether addiction or etheromania is the addiction to inhalation or drinking of diethyl ether.', 'role': 'assistant'}]