{"groundTruth": ["顺藤摸瓜"], "candidates": [["瞒天过海", "一网打尽", "顺藤摸瓜", "敲诈勒索", "真相大白", "打草惊蛇", "东窗事发"]], "content": "9日下午1时左右，警方锁定参与抢劫的嫌犯仍在州城恩施职院附近活动，民警遂闪电出击一举抓获嫌犯向某、胡某。经突审，警方#idiom#又将嫌犯朱某、宋某擒获。此4名无业混混(有两人未满18岁)对多次抢劫出租车之事供认不讳。", "realCount": 1}