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': 'CAGE test is used for diagnosis of \nSelect and explain. \nA. Opioid abuse, B. Schizophrenia, C. Alcoholism, D. Paranoid Psychosis', 'role': 'user'}, {'content': "Answer: C \nExplanation: CAGE Questionnaire The CAGE questionnaire basically consists of four questions: i. Have you ever had to Cut down on alcohol (amount)? ii. Have you ever been Annoyed by people's criticism of alcoholism? iii. Have you ever felt Guilty about drinking? iv. Have you ever needed an Eye-opener drink (early morning drink)? A score of 2 or more identifies problem drinkers. Ref: A Sho Textbook of Psychiatry, Niraj Ahuja, 7th Edition, pg. no. 39", 'role': 'assistant'}]