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: Anaesthesia
[{'content': 'What is the volume of reservoir bag used in neonatal resuscitation – \nSelect and explain. \nA. 240 ml, B. 500 ml, C. 750 ml, D. 1000ml', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Neonate → 250 ml, children upto 3 years → 500 ml, children > 3 years → 1000 ml, adults → 2000 ml.', 'role': 'assistant'}]