This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Anatomy
[{'content': 'Pharyngeal muscles are developed from which pharyngeal arch \nSelect and explain. \nA. 2nd, B. 3rd, C. 4th, D. 3rd and 4th', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All the pharyngeal muscles are derived from 4th arch except stylopharyngeus which is derived from 3rd arch', 'role': 'assistant'}]