#include <fstream>

using namespace std;

int main()
{
    int t, n, m, x, y, sumaxor;
    ifstream f("xerox.in");
    ofstream g("xerox.out");
    f>>t;
    while(t)
    {
        t--;
        f>>n>>x>>y;
        sumaxor = 0;
        while(n)
        {
            n--;
            f>>m;
            while(m--)
                f>>x>>y;
            sumaxor ^= m;
        }
        if (sumaxor)
            g<<"1\n";
        else
            g<<"0\n";
    }
    f.close();
    g.close();
    return 0;
}