This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Joints of Upper Extremity, Subject name: Anatomy
[{'content': 'Supination and Pronation occurs at- \nSelect and explain. \nA. Wrist joint, B. Radio-ulnar joints, C. Elbowjoint, D. Midcarpaljont', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Radio-ulnar joints o Forearm rotation (supination & pronation) occurs at radio-ulnar joint complexQ i.e.y Superior (proximal) radioulnar jointInferior (distal) radioulnar jointMiddle radioulnar joint", 'role': 'assistant'}]