#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;
}