#include <fstream>
using namespace std;
ifstream f("chatnoir.in");
ofstream g("chatnoir.out");
int n,i,l,L,x,y,mi,k,p;
int main()
{
    f >> n;
    for(i = 1; i <= n; ++i)
    {
        f >> l >> L >> x >> y;
        k = min(l-x,L-y);
        p = min(x,y);
        mi = min(k,p);
        if(mi > 5)
            g << "NU" << '\n';
        else
            g << "DA" << '\n';
    }
    return 0;
}