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': 'Visual hallucinations without auditory hallucinations is seen in : \nSelect and explain. \nA. Organic brain damage, B. Obsessive compulsive neurosis, C. Agarophobia, D. Schizophrenia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Organic brain disease', 'role': 'assistant'}]