#include <iostream>

using namespace std;

int main() {
    int t;
    long long l, a, b, balance;
    int n, lowest_a, highest_a, lowest_b, highest_b;
    cin>>t;
    
    for(int i = 0; i < t; i++){
        balance = 0;
        lowest_a = 10000000;
        highest_a = -1;
        lowest_b = 10000000;
        highest_b = -1;
        
        cin>>n;
        
        for(int j = 0; j < n; j++){
            cin>>l>>a>>b;
            
            balance += l*a;
            balance -= l*b;
        
            if(a < lowest_a){
                lowest_a = a;
            }
            
            if(a > highest_a){
                highest_a = a;
            }
                
            if(b < lowest_b){
                lowest_b = b;
            }
            
            if(b > highest_b){
                highest_b = b;
            }
        }    
        
        if(balance == 0 && (lowest_a <= lowest_b) && (highest_a >= highest_b)){
            cout<<"TAK"<<endl;
        }
        else{
            cout<<"NIE"<<endl;
        }
    }
    
	return 0;
}