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: Anatomy
[{'content': "McBurney's point corresponds to which pa of appendix: \nSelect and explain. \nA. Tip, B. Base, C. Orifice, D. Mid poion", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Base', 'role': 'assistant'}]