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: Dental
[{'content': 'Squamous cell carcinoma is characterized by _________ edges \nSelect and explain. \nA. Undermined, B. Pearly & rolled, C. Indurated & everted, D. Punched out', 'role': 'user'}, {'content': 'Answer: C \nExplanation: SCC is characterized by indurated & everted edges\nBCC is characterized by pearly rounded edges.', 'role': 'assistant'}]