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': 'Ectopic ureter in females of ectopic pelvis opens into \nSelect and explain. \nA. Urethra, B. Vagina, C. Cervix, D. Distal bladder', 'role': 'user'}, {'content': 'Answer: B \nExplanation: According to weger meyert rule ectopic urethra opens into urethra in males and\nvagina in females.', 'role': 'assistant'}]