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': 'Low bih weight is defined as - \nSelect and explain. \nA. Weight < 2.5 kg, B. Weight < 2.0 kg, C. Weight < 1.5 kg, D. Weight < 10 percentile for their gastational age', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Weight < 2.5 kg", 'role': 'assistant'}]