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: Social & Preventive Medicine
[{'content': 'L.B W. Baby - \nSelect and explain. \nA. 2.9- 2.6 kg, B. 2.7-2.9 kg, C. 3.2-3.5kg, D. 1.5-2.5 kg', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., 1.5-2.5 kg", 'role': 'assistant'}]