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': 'Arch of Aoa develops from which aoic arch aery ? \nSelect and explain. \nA. Right Pt, B. Right 3rd, C. Left 4th, D. Left 3rd', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Left 4th", 'role': 'assistant'}]