#include <iostream>
using namespace std;
int t,n,a,l,b,maksa,minia,maksb,minib,suma,sumb;
int tab[100000][3];
int main()
{
cin>>t;
for(t;t>0;t--){
maksa = 0;
minia = 1000000;
maksb = 0;
minib = 1000000;
suma=0;
sumb=0;
cin>>n;
for(int i = 0;i<n;i++){
cin>>l>>a>>b;
if(a>maksa){
maksa=a;
}
if(a<minia){
minia=a;
}
if(b>maksb){
maksb=b;
}
if(b<minib){
minib=b;
}
suma += a;
sumb += b;
/* tab[i][0]=l;
tab[i][1]=a;
tab[i][2]=b;
if(tab[i][1])*/
}
if(maksa<maksb || minia>minib || suma != sumb){
cout<<"NIE"<<endl;
}
else{
cout<<"TAK"<<endl;
}
//cout<<minia<<endl<<maksa<<endl<<minib<<endl<<maksb;
}
return 0;
}