#include <fstream>
#include <cstring>
#include <vector>
#include <algorithm>
#include <bitset>
#include <iomanip>
using namespace std;
#define mp make_pair
#define eps 0.000001
#define inf 1 << 20
ifstream fin("balanta.in");
ofstream fout("balanta.out");

bitset<1030> a,b,c,d;
int i,j,n,m,k,l,x;
int main()
{
    fin >> n >> m;
    for(i = 1; i <= n; i++)
        a[i] = b[i] = 1;
    for(i = 1; i <= m; i++)
    {
        fin >> k;
        c&=0;
        d&=0;
        for(j = 1; j <= k; j++)
        {
            fin >> x;
            c[x] = 1;
        }
        for(j = 1; j <= k; j++)
        {
            fin >> x;
            d[x] = 1;
        }
        fin >> l;
        if(l == 0)
        {
            c.flip();
            d.flip();
            a = a & c & d;
            b = b & c & d;
        }
        if(l == 1)
        {
            a &= c;
            b &= d;
        }
        if(l == 2)
        {
            a &= d;
            b &= c;
        }
    }
    if(a.count() + b.count() == 1)
    {
        for(i = 1; i <= n; i++)
            if(a[i] || b[i])
            {
                fout << i;
                return 0;
            }
    }
    else
        fout << 0;

    return 0;
}