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: Pathology
[{'content': "Monro's abscesses are seen in all of the following except: \nSelect and explain. \nA. Psoriasis., B. Pemphigus., C. Reiter syndrome., D. Benign migratory glossitis.", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]