#include<cstdio>

FILE *fin=fopen("chatnoir.in","r");
FILE *fout=fopen("chatnoir.out","w");

using namespace std;

int n;
int a1,a2,a3,a4;

int main()
{
    int i;
    fscanf(fin,"%d",&n);
    for(;n!=0;n--)
    {
        fscanf(fin,"%d%d%d%d",&a1,&a2,&a3,&a4);
        if(a3<=5||a4<=5||(a1-a3)<=4||(a2-a4)<=4)
            fprintf(fout,"DA\n");
        else
            fprintf(fout,"NU\n");

    }


    fclose(fin);
    fclose(fout);
    return 0;
}