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': "After premature delivery, mother's milk is low in – \nSelect and explain. \nA. Lactose, B. Fat, C. Protein, D. Sodium", 'role': 'user'}, {'content': 'Answer: A \nExplanation: Premature milk contains less lactose in comparison to term milk', 'role': 'assistant'}]