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': 'Which of the following behavioral problems would suggest an organic brain lesion - \nSelect and explain. \nA. Formal thought disorder, B. Auditory hallucinations, C. Visual hallucinations, D. Depression', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Visual and other non-auditory hallucinations are seen commonly in organic psychiatric illness. On the other hand, auditory hallucinations are common in schizophrenia.', 'role': 'assistant'}]