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': 'True about composition of low osmolar ORS is \nSelect and explain. \nA. Sodium 65mmol/L, Glucose 75mmol/L, B. Sodium 75mmol/L, Potassium 20mmol/L, C. Chloride 65 mmol/L, Potassium 10mmol/L, D. Sodium 65 mmol/L, Citrate 20mmol/L', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]