#include <fstream>

using namespace std;

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

void solve()
{
    int n, m, ans=0, a, b;
    fin>>n>>a>>b;
    for(int i=1; i<=n; i++)
    {
        fin>>m;
        ans=ans^m;
        while(m--)
            fin>>a>>b;
    }
    if(ans)
        fout<<1;
    else
        fout<<0;
    fout<<'\n';
}

int main()
{
    int t;
    fin>>t;
    while(t--)
        solve();
    return 0;
}