{"groundTruth": ["大街小巷"], "candidates": [["从头至尾", "车水马龙", "大街小巷", "川流不息", "家喻户晓", "渐入佳境", "管中窥豹"]], "content": "今天的唐山下起了蒙蒙细雨，#idiom#处彩旗飞扬。上午8点，起跑仪式在唐山体育中心主田径场举行。早上6时许，已有众多民众聚集在这里，为奥运火炬接力加油助威，为唐山大地震后“重生”的生态城市摇旗呐喊，为四川汶川灾区送上祝福！", "realCount": 1}