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: Skin
[{'content': 'Which of the following drugs is used in generalised lichen planus? \nSelect and explain. \nA. Systemic steroids, B. Dapsone, C. Both Dapsone & Systemic steroids, D. Methotrexate', 'role': 'user'}, {'content': 'Answer: C \nExplanation: A combination therapy with steroids and Dapsone gives a better result than 1 drug used alone.', 'role': 'assistant'}]