This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid and electrolytes, Subject name: Medicine
[{'content': 'High Anion gap is seen in - \nSelect and explain. \nA. Renal failure, B. Lactic acidosis, C. Diarrhoea, D. Alcoholics', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Renal failure : Non anion gap metabolic acidosis. Diarrhea : Non anion gap metabolic acidosis. Alcoholics : metabolic alkalosis + metabolic acidosis Ref: Harrison&;s 19thE', 'role': 'assistant'}]