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': "Grossly pigmented liver is seen in .... syndrome \nSelect and explain. \nA. Crigler-Najjar, B. Gilberts, C. Dubin johnson, D. Rotor's", 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]