#include <iostream>
using namespace std;
bool sprawdzUjemne(int* tab, int n, int mi) {
for (int i = 0; i < n; ++i) {
if ((tab[i] - mi) < 0) {
return false;
}
}
return true;
}
bool sprawdz(int *tab, int n, int mi, int ma) {
for (int i = 0; i < n; ++i) {
if (tab[i] < mi) {
return false;
}
if (tab[i] > ma) {
return false;
}
}
return true;
}
int mini(int *tab, int n) {
int mi = INT32_MAX;
for (int i = 0; i < n; ++i) {
if (tab[i] < mi) {
mi = tab[i];
}
}
return mi;
}
int maksi(int *tab, int n) {
int ma = INT32_MIN;
for (int i = 0; i < n; ++i) {
if (tab[i] > ma) {
ma = tab[i];
}
}
return ma;
}
bool sprawdzSumy(int *l, int* a, int* b, int n) {
unsigned long long suma_a = 0;
unsigned long long suma_b = 0;
for (int i = 0; i < n; ++i) {
suma_a += (l[i] * a[i]);
suma_b += (l[i] * b[i]);
}
if (suma_a == suma_b) {
return true;
}
return false;
}
int main()
{
int t;
cin >> t;
for (int j = 0; j < t; ++j) {
int n;
cin >> n;
int *l = new int[n];
int *a = new int[n];
int *b = new int[n];
for (int i = 0; i < n; ++i) {
cin >> l[i] >> a[i] >> b[i];
}
if (sprawdzSumy(l, a, b, n) == false) {
cout << "NIE\n";
}
else {
if (sprawdz(b, n, mini(a, n), maksi(a, n)) == false) {
cout << "NIE\n";
}
else {
if (sprawdzUjemne(b, n, mini(a, n)) == false) {
cout << "NIE\n";
}
else {
cout << "TAK\n";
}
}
}
}
return 0;
}