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: Surgery
[{'content': "Little old lady's hernia is also know as \nSelect and explain. \nA. Femoral hernia, B. Incisional hernia, C. Obturator hernia, D. Inguinal hernia", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]