#include <bits/stdc++.h>
using namespace std;
int get(){
int w = 0;
char c = getchar_unlocked();
while(c < '0' || c > '9')c=getchar_unlocked();
while(c >='0' && c <= '9'){
w*=10;
w += c-48;
c=getchar_unlocked();
}
return w;
}
int main(){
int n;
int m;
double s1,s2;
int q,a1,a2,il,_,mn1,mn2,m1,m2;
n = get();
for (int z = 0; z < n; ++z){
m = get();
il=0;
a1=0;
mn1 = 1000000;
mn2 = 1000000;
m1 = 0;
m2 = 0;
a2=0;
for (int i = 0; i < m; ++i){
q = get();
il += q;
_=q;
q = get();
a1 += _*q;
if(q < mn1)mn1 = q;
if(q > m1)m1 = q;
q = get();
a2 += _*q;
if(q < mn2)mn2 = q;
if(q > m2)m2 = q;
}
//cout << m1 << " " << m2 << " / " << mn1 << " " << mn2 << "\n";
if(a1==a2 && m1>=m2 && mn1<=mn2)cout << "TAK\n";
else cout << "NIE\n";
//else cout << "NIE " << a1 << " " << a2 << " " << il << "\n";
}
return 0;
}