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': 'Thyroid follicles are lined by which type of epithelium ? \nSelect and explain. \nA. Squamous, B. Cuboidal, C. Transitional, D. None', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Cuboidal", 'role': 'assistant'}]