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': 'Most commonly injured muscle in Rotator cuff injury is \nSelect and explain. \nA. Infraspinatus, B. Subscapularis, C. Supraspinatus, D. Teres minor', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]