#include <cstdio>
#define MAXN 1026

int a[MAXN], b[MAXN], g[MAXN], u[MAXN];
int n, m;

void c(int g[], int u[])
{
    for(int j=1;j<=n;++j)
        {
            if(u[j] == 2)
            {
                u[j] = 0;
            }
            else
            {
                u[j] = 1;
            }

            if(g[j] == 2)
            {
                g[j] = 0;
            }
            else
            {
                g[j] = 1;
            }
        }

}

int main()
{
    freopen("balanta.in", "r", stdin);
    freopen("balanta.out", "w", stdout);

    scanf("%d %d", &n, &m);

    for(int i=0;i<m;++i)
    {
        int nr, r;
        scanf("%d", &nr);
        for(int j=0;j<nr;++j)
        {
            scanf("%d", &a[j]);
        }

        for(int j=0;j<nr;++j)
        {
            scanf("%d", &b[j]);
        }

        scanf("%d", &r);

        switch(r)
        {
            case 0:
                for(int j=0;j<nr;++j)
                {
                    u[a[j]] = u[b[j]] = g[a[j]] = g[b[j]] = 1;
                }
                break;
            case 1:
                for(int j=0;j<nr;++j)
                {
                    if(g[a[j]] == 0)
                    {
                        g[a[j]] = 2;
                    }

                }
                for(int j=0;j<nr;++j)
                {
                    if(u[b[j]] == 0)
                    {
                        u[b[j]] = 2;
                    }
                }
                c(g, u);
                break;
            case 2:
                for(int j=0;j<nr;++j)
                {
                    if(g[b[j]] == 0)
                    {
                        g[b[j]] = 2;
                    }

                }
                for(int j=0;j<nr;++j)
                {
                    if(u[a[j]] == 0)
                    {
                        u[a[j]] = 2;
                    }
                }
                c(g, u);
                break;

        }
    }

    int nru = 0, nrg = 0, nu, ng;

    for(int i=1;i<=n;++i)
    {
        if(!u[i])
        {
            ++nru;
            nu = i;
        }

        if(!g[i])
        {
           ++nrg;
           ng = i;
        }
    }

    if(nru == 1 && nrg == 0)
    {
        printf("%d\n", nu);
        return 0;
    }

    if(nru == 0 && nrg == 1)
    {
        printf("%d\n", ng);
        return 0;
    }

    if(nru == 1 && nrg == 1 && nu == ng)
    {
        printf("%d\n", ng);
        return 0;
    }

    printf("0\n");
    return 0;
}