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': 'Simple vesicovaginal fistula is  having following feature \nSelect and explain. \nA. Supratrigonal, B. Short vaginal length, C. Associated pelvic malignancy, D. Due to pelvic radiation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Simple vesicovaginal fistula is located near the cuff (supratrigonal)', 'role': 'assistant'}]