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': 'Tuberculosis of female genital tract is commonest is which age group : \nSelect and explain. \nA. Below 10 yrs, B. 10 - 20 yrs, C. 20 - 30 yrs, D. Above 60 yrs', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 20 - 30 yrs', 'role': 'assistant'}]