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: Medicine
[{'content': 'Which of the following condition is associated with Restless leg syndrome (RLS)? \nSelect and explain. \nA. Hyperkalemia, B. Hypercalcemia, C. Hyperphosphatemia, D. Chronic renal failure', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Chronic renal failure', 'role': 'assistant'}]