#include <stdio.h>int a[100010],b[100010];int main(){ int t; scanf("%d",&t); while (t--) { int s1,s2; scanf("%d",&s1); for (int i=0;i<s1;i++) scanf("%d",&a[i]); scanf("%d",&s2); for (int i=0;i<s2;i++) scanf("%d",&b[i]); int ba=0,bb=0,cnt=0; while (ba<s1&&bb<s2) { if (a[ba]==b[bb]) { cnt++; ba++; bb++; } else if (a[ba]<b[bb]) { while (a[ba]<b[bb]&&ba<s1) ba++; } else { while (a[ba]>b[bb]&&bb<s2) bb++; } } printf("%dn",cnt); } return 0;}
