#include <fstream>

using namespace std;
ifstream in("chatnoir.in");
ofstream out("chatnoir.out");
int main()
{
    int n,m,x,y,t,i;
    in>>t;
    for(i=1;i<=t;i++)
    {
        in>>n>>m>>x>>y;
        if(x>y){
        if(x<5)
            {if(y<5  || (n-y<5 || m-y<5))
            out<<"DA"<<" ";
        else
            out<<"DA"<<" ";}
        if(x>4){
        if(y<5 || (n-y<5 || m-y<5))
            out<<"DA"<<" ";
        else
            out<<"NU"<<" ";}}
            else{
            if(x<5)
            {if(y<5  || (n-y<5 || m-y<5))
            out<<"DA"<<" ";
        else
            out<<"DA"<<" ";}
        if(x>4){
        if(y<5 || (m-y<5 || n-y<5))
            out<<"DA"<<" ";
        else
            out<<"NU"<<" ";}}
            }
            return 0;
    }