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': 'Best test for diagnosis of organic mental disorder \nSelect and explain. \nA. Sentence completion test, B. Bender gestalt test, C. Rorschach test, D. Thematic Appreciation Test', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Bender - Gestalt test', 'role': 'assistant'}]