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#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("xerox.in");
ofstream fout("xerox.out");
int T, N, sc;
int main()
{
fin >> T;
while ( T-- )
{
int x, y, z;
fin >> N;
fin >> x >> y;
sc = 0;
while ( N-- )
{
fin >> x;
// cout << x; cin.get();
sc = sc ^ x;
while ( x-- )
fin >> y >> z;
}
fout << ( sc != 0 ) << '\n';
}
fin.close();
fout.close();
return 0;
}