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: Surgery
[{'content': 'For treatment of the ectopic-vesicle, which of the following bone is divided to reach the site ? \nSelect and explain. \nA. Pubic rami, B. Iliac bone, C. Ischium bone, D. Symphysis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Iliac bone", 'role': 'assistant'}]