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': 'Chassar Moir technique is used in \nSelect and explain. \nA. Vesico vaginal fistula, B. Stress incontinence, C. Urethrocoele, D. Enterocoele repair', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Vesico vaginal fistula', 'role': 'assistant'}]