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': 'Best treatment for senile vaginitis is : \nSelect and explain. \nA. H, B. Local estrogen cream, C. H + Local estrogen cream, D. Surgery', 'role': 'user'}, {'content': 'Answer: C \nExplanation: H + Local estrogen cream', 'role': 'assistant'}]