[{"sectionTitle":"题目描述","type":"Text","text":"原题来自：HDU 2222\r\n\r\n给定 $n$ 个长度不超过 $50$ 的由小写英文字母组成的单词准备查询，以及一篇长为 $m$ 的文章，问：文中出现了多少个待查询的单词。多组数据。","subType":"markdown"},{"sectionTitle":"输入格式","type":"Text","text":"第一行一个整数 $T$，表示数据组数； \r\n对于每组数据，第一行一个整数 $n$，接下去 $n$ 行表示 $n$ 个单词，最后一行输入一个字符串，表示文章。","subType":"markdown"},{"sectionTitle":"输出格式","type":"Text","text":"对于每组数据，输出一个数，表示文中出现了多少个待查询的单词。","subType":"markdown"},{"sectionTitle":"样例","type":"Sample","text":"","subType":"markdown","payload":["1\n5\nshe\nhe\nsay\nshr\nher\nyasherhs","3"]},{"sectionTitle":"数据范围与提示","type":"Text","text":"对于全部数据，$1\\le n\\le 10^4,1\\le m\\le 10^6$。","subType":"markdown"}]