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: Unknown
[{'content': 'Action of quadratus femoris is - \nSelect and explain. \nA. Extension, B. Flexion, C. Lateral rotation, D. Medial rotation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans-C', 'role': 'assistant'}]