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: Pediatrics
[{'content': 'OATP 1B1/2 gene mutation is seen in \nSelect and explain. \nA. Gilbert syndrome, B. Rotor syndrome, C. Crigler Najjar syndrome, D. Dubin Johnson syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: OATP 1B1/2 gene mutation - Rotor syndrome\nABCCA gene mutation - Dubin johnson syndrome', 'role': 'assistant'}]