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': 'Traumatic glenohumeral instability on one direction with Bankas lesion are treated by \nSelect and explain. \nA. Consv ervative methods, B. Surgery, C. Rehabilitation, D. Observation f/b inferior capsule shift', 'role': 'user'}, {'content': 'Answer: B \nExplanation: B i.e. Surgery', 'role': 'assistant'}]