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': 'Germs cells derived from \nSelect and explain. \nA. Epiblast, B. Hypoblast, C. Endodermal sinus, D. Neural crest cells', 'role': 'user'}, {'content': 'Answer: A \nExplanation: All the germ layers ectoderm, meroderm and endoderm derived from epiblast.', 'role': 'assistant'}]