This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Operative Obs, Subject name: Gynaecology & Obstetrics
[{'content': "The following instrument is called as? \nSelect and explain. \nA. Cusco's speculum, B. Vulsellum, C. Sims Speculum, D. Vaginal Sling", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. (c) Sims speculum', 'role': 'assistant'}]