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': 'Psoriasis associated with p – hemolytic streptococcal infection – \nSelect and explain. \nA. Psoriasis vulgaris, B. Erythrodermic psoriasis, C. Pustular psoriasis, D. Guttate psoriasis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Guttate psoriasis is precipitated by upper respiratory tract infection, e.g. streptococcal tonsilitis.', 'role': 'assistant'}]