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: Anatomy
[{'content': 'In walking, gravity tends to tilt pelvis and trunk to the unsuppoed side, major factor in preventing this unwanted movement is: \nSelect and explain. \nA. Adductor muscles, B. Quadriceps, C. Gluteus maximus, D. Gluteus medius and minimus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Gluteus medius and minimus', 'role': 'assistant'}]