This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lens, Subject name: Ophthalmology
[{'content': "Oil drop cataract is seen in: \nSelect and explain. \nA. Hunter's syndrome, B. Galactosemia, C. Steroid therapy, D. Rubella", 'role': 'user'}, {'content': 'Answer: B \nExplanation: b) galactosemia refkhurana 3rd/e p. 194', 'role': 'assistant'}]