This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psoriasis, Subject name: Dental
[{'content': 'Following are causes of papulosquamous lesions except: \nSelect and explain. \nA. Seborrheic dermatitis, B. Parapsoriasis, C. Lichen nitidus, D. Congenital syphilis', 'role': 'user'}, {'content': "Answer: D \nExplanation: PAPULOSQUAMOUS SKIN DISORDERS Psoriasis Parapsoriasis Lichen planus Lichen nitidus Pityriasis rosea Pityriasis rubra pilaris Secondary syphilis NOT Congenital syphilis. Nummular eczema Drug eruptions Seborrheic dermatitis Reiter's syndrome Acrodermatitis enteropathica", 'role': 'assistant'}]