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: Gynaecology & Obstetrics
[{'content': 'Baholins duct open into : \nSelect and explain. \nA. Labia majora, B. Labia minora, C. Lower vagina, D. Groove between labia minora and hymen', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Groove between labia minora and hymen', 'role': 'assistant'}]