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': "'Dropped shoulder' occurs due to paralysis of - \nSelect and explain. \nA. Deltoid, B. Teres major, C. Trapezius, D. Serratus anterior", 'role': 'user'}, {'content': 'Answer: C \nExplanation: Dropped shoulder occurs due to paralysis of Trapezius.', 'role': 'assistant'}]