This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Misc., Subject name: Anatomy
[{'content': 'Notochord develops in \nSelect and explain. \nA. 3rd week, B. 3rd month, C. 6 months, D. 10th week', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) 3rd week > Notochord develops in 3rd week.', 'role': 'assistant'}]