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#include <cstdio>
#include <iostream>
#include <utility>

#define MP make_pair
#define ST first
#define ND second

using namespace std;

int testy, ilosc, w1, w2, h1, h2, pW, kW, pH, kH;
bool res;

const int INF = 2000000000;

pair< pair<int,int>, pair<int,int> > Firmy[1000000];

int main()
{
	scanf("%d", &testy);
	for(int z = 1; z <= testy; z++)
	{
		scanf("%d", &ilosc);
		kW = kH = 0;
		pW = pH = INF;
		res = 0;
		for(int i = 1; i <= ilosc; i++)
		{
			scanf("%d %d %d %d", &w1, &w2, &h1, &h2);
			pW = min(pW,w1);
			pH = min(pH,h1);
			kW = max(kW,w2);
			kH = max(kH,h2);
			Firmy[i] = MP(MP(w1,w2),MP(h1,h2));
		}
		for(int i = 1; i <= ilosc; i++)
		{
			w1 = Firmy[i].ST.ST;
			w2 = Firmy[i].ST.ND;
			h1 = Firmy[i].ND.ST;
			h2 = Firmy[i].ND.ND;
			if(w1 == pW && w2 == kW && h1 == pH && h2 == kH)
			{
				res = 1;
				break;
			}
		}
		if(res)
			printf("TAK\n");
		else
			printf("NIE\n");
	}
}