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': 'A topical retinoid recently introduced for the treatment of psoriasis is - \nSelect and explain. \nA. Adapalene, B. Tazarotene, C. Alitretinoin, D. Bexarotine', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Tazarotene o Tazarotene is approved for psoriasis and acne vulgaris.", 'role': 'assistant'}]