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': "True about Frank Breech:a) Thigh extended, leg extendedb) Thigh flexed, knee extendedc) Both are flexedd) Budha's attitudee) Common in primi \nSelect and explain. \nA. ab, B. ad, C. be, D. ce", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]