#include <cstdio>
#include <algorithm>

using std::sort;

int a[2000],b[2000];

int main()
{
    #ifdef local
    freopen("card_test.txt","r",stdin);
    #endif
    int T,n,m,sumA,sumB;
    scanf("%d",&T);
    for(int k = 1;k <= T;++k)
    {
        scanf("%d%d",&n,&m);
        for(int i = 0;i < n;++i)
            scanf("%d",a+i);
        for(int i = 0;i < n;++i)
            scanf("%d",b+i);
        sort(a,a+n);
        sort(b,b+n);
        sumA = a[0],sumB = b[n - 1];
        for(int i = 1;i < m;++i) sumA += a[i];
        for(int i = 1;i < m;++i) sumB += b[n - i - 1];
        if (sumA > sumB)
            puts("YES");
        else
            puts("NO");
    }
    fclose(stdin);fclose(stdout);
    return 0;
}