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: Surgery
[{'content': "Conjugated hyperbilirubinemia is seen in: September 2005 \nSelect and explain. \nA. Dubin Johnson syndrome, B. Gilbe's syndrome, C. Criggler Najjar type I, D. Criggler Najjar type II", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A: Dubin Johnson syndrome', 'role': 'assistant'}]