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#include <fstream>
using namespace std;
ifstream f("chatnoir.in");
ofstream g("chatnoir.out");
long long n,m,l,c,i;
long long iese(int n,int m,int l,int c)
{
if (l<=4)
return 1;
if (c<=4)
return 1;
if (n-l<=4)
return 1;
if (m-c<=4)
return 1;
return 0;
}
int main()
{
f>>n;
for (i=1;i<=n;i++)
{
f>>n>>m>>l>>c;
if (iese(n,m,l,c))
g<<"DA\n";
else
g<<"NU\n";
}
f.close();
g.close();
}