This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pediatrics
[{'content': 'Reduced osmolarity ORS does not contain which of the following ion? \nSelect and explain. \nA. Sodium, B. Potassium, C. Lactate, D. Citrate', 'role': 'user'}, {'content': "Answer: C \nExplanation: Low osmolarity ORS Sodium - 75 mmol/L Potassium - 20 mmol/L Chloride - 65 mmol/LCitrate - 10 mmol/LGlucose - 75 mmol/L (Refer: OP Ghai's Textbook of Pediatrics, 8th edition, pg no. 263)", 'role': 'assistant'}]