#include <iostream>
#include <fstream>

using namespace std;

ifstream fin("xerox.in");
ofstream fout("xerox.out");

int main()
{
    int t,n,x,a,b,i,nr;
    fin>>t;
    while(t)
    {
        fin>>n>>a>>b;
        fin>>x;
        for(i=0;i<x;i++)
            fin>>a>>b;
        for(i=1;i<n;i++)
        {
            fin>>nr;
            x^=nr;
            while(nr)
            {
                fin>>a>>b;
                nr--;
            }
        }
        if(x==0)
            fout<<0<<'\n';
        else
            fout<<1<<'\n';
        t--;
    }
    return 0;
}