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: ENT
[{'content': 'Glomus tumour arises from: September 2004 \nSelect and explain. \nA. Ectoderm, B. Endoderm, C. Mesoderm, D. Neuroectoderm', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C i.e. Mesoderm', 'role': 'assistant'}]