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: Medicine
[{'content': "Broca's aphasia is \nSelect and explain. \nA. Fluent aphasia, B. Non fluent aphasia, C. Sensory aphasia, D. Conduction aphasia", 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Non fluent aphasia", 'role': 'assistant'}]