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: Surgery
[{'content': 'FNAC (Fine Needle Aspiration Cytology) can diagnose all the following except \nSelect and explain. \nA. Papillary carcinoma of thyroid, B. Follicular carcinoma of thyroid, C. Anaplastic carcinoma of thyroid, D. Medullary carcinoma of thyroid', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]