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': 'A 65 year old with bleeding PN. On examination senile vaginits. Patient requires immediate : \nSelect and explain. \nA. Cytology and colposcopy, B. Oestrogen therapy and colposcopy, C. Cytology and fractional curettage, D. Fractional curettage', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Oestrogen therapy and colposcopy', 'role': 'assistant'}]