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': 'Trapezius is attached to all structures except - \nSelect and explain. \nA. First rib, B. Clavicle, C. Scapula, D. Occiput', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Trapezius originates from the occiput and inserts onto clavicle and scapula.', 'role': 'assistant'}]