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': 'Pharyngeal muscles are derived from which pharyngeal arch ? \nSelect and explain. \nA. 1st, B. 2nd, C. 3rd, D. 5th', 'role': 'user'}, {'content': 'Answer: C \nExplanation: 3rd', 'role': 'assistant'}]