This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Substance Abuse, Subject name: Psychiatry
[{'content': "The following is a feature of Korsakoff's psychosis: \nSelect and explain. \nA. Confabulation, B. Encephalopathy, C. Ophthalmoplegia, D. Hallucination", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. a. ConfabulationRef: Kaplan Step 2 CK Lecture Notes 2018 of Psychiatry;WERNICKE VERSUS KORSAKOFF SYNDROMES Wernicke syndromesKorsakoff syndromesCourseAcuteChronicReversibilityYesNoPresentationAtaxia, nystagmus, and ophthalmoplegiaConfusion, psychosis, anterograde and retrograde amnesiaTreatmentThiamineThiamine', 'role': 'assistant'}]