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'}]