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': 'The important feature of psoriasis is – \nSelect and explain. \nA. Crusting, B. Scaling, C. Oozing, D. Erythema', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Psoriasis is a papulosquamous disorder characterized by papule and scales.', 'role': 'assistant'}]