This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Eye, Nose and Ear, Subject name: Anatomy
[{'content': 'The surface ectoderm gives rise to which of the following structures? \nSelect and explain. \nA. Dilator pupillae muscle, B. Retina, C. Lens, D. Sclera', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The surface ectoderm gives rise to the cornea ( first layer ) & the eye lens. Dilator pupillae muscle &retina is derived from neuroectoderm. Sclera is derived from neural crest cells.', 'role': 'assistant'}]