This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Papulosquamous disorders, Subject name: Dental
[{'content': 'Calcipotriene is a \nSelect and explain. \nA. Vitamin A analogue, B. Vitamin B analogue, C. Vitamin C analogue, D. Vitamin D analogue', 'role': 'user'}, {'content': 'Answer: D \nExplanation: A topical vitamin D analogue (calcipotriene) and a retinoid (tazarotene) are also efficacious in the treatment of limited psoriasis and have largely replaced other topical agents such as coal tar, salicylic acid, and anthralin. Ref: Harrison 19e pg: 348', 'role': 'assistant'}]