This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries Around Shoulder, Subject name: Orthopaedics
[{'content': 'Lift off test is used for which of the following muscles? \nSelect and explain. \nA. Supraspinatus, B. Subscapularis, C. Infraspinatus, D. Biceps Breachii', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Subscapularis TestMuscle TestedLift off testSubscapularisJobe testSupraspinatusSpeed testBicepsYergason testBicepsBelly press testSubscapularis", 'role': 'assistant'}]