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': "Bonney's test is used to demonstrate : \nSelect and explain. \nA. Stress incontinence, B. Urge incontinence, C. Fibroids, D. True incontinence", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Stress incontinence', 'role': 'assistant'}]