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': 'Drug of choice for treatment of psoriasis involving <10% of BSA (body surface area) is \nSelect and explain. \nA. Methotrexate, B. Oral steroids, C. Topical steroids, D. Topical calcipotriol', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Topical steroids & topical calcipotriol can be used for treating psoriatic lesions involving <10% body surface area & calcipotriol is the drug of choice.', 'role': 'assistant'}]