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': 'Puttiplat operation is done for ? \nSelect and explain. \nA. Elbow instability, B. Shoulder instability, C. Rotator cuff tear, D. Biceps Tendinitis', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Shoulder instability", 'role': 'assistant'}]