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': "Changes of squamous cell carcinoma are seen in – a) Seborrhoeic keratosisb) Bowen's diseasec) Lichen planusd) DLE \nSelect and explain. \nA. abc, B. acd, C. ac, D. bcd", 'role': 'user'}, {'content': 'Answer: D \nExplanation: DLE is a premalignant lesion for SCC of skin.', 'role': 'assistant'}]