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': "Liver biopsy is normal in -a) Dubin johnson syndrome b)  Gilbert syndromec)  Hemochromatosisd)  Wilson's diseasee)  Rotor's syndrome \nSelect and explain. \nA. ab, B. ad, C. bc, D. be", 'role': 'user'}, {'content': "Answer: D \nExplanation: Liver pathology is normal in Gilbert, Crigler Najjar, Rotor Syndrome.\nIn Dubin Johson syndrome liver is darkly pigmented. Liver biopsy is not normal in wilson's disease, Hemochromatosis.", 'role': 'assistant'}]