#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

struct P {
    P &operator^=(const P &p) {
        b ^= p.b;
        y ^= p.y;
        return *this;
    }
    ll b;
    int y;
};

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n, m;
    cin >> n >> m;

    vector<P> p(m);
    for (int i = 0; i < m; i++) {
        int a;
        cin >> a;

        ll b = 0;
        for (int j = 0; j < a; j++) {
            int k;
            cin >> k;
            k--;

            b ^= 1LL << k;
        }

        int y;
        cin >> y;

        p[i] = { b, y };
    }

    for (int k = 0; k < n; k++) {
        ll t = 1LL << k;
        int f = 0;
        for (int i = k; i < m; i++) {
            if (p[i].b & t) {
                for (int i1 = i + 1; i1 < m; i1++) {
                    if (p[i1].b & t) p[i1] ^= p[i];
                }
                swap(p[i], p[k]);
                f = 1;
                break;
            }
        }
        if (f == 0) {
            p.push_back({ t, 0 });
            m++;
            swap(p.back(), p[k]);
        }
    }

    for (int i = 0; i < m; i++) {
        if (p[i].b == 0 && p[i].y != 0) {
            cout << -1 << endl;
            exit(0);
        }
    }

    for (int i = n; --i >= 0;) {
        for (int i1 = 0; i1 < i; i1++) {
            if (p[i].b & p[i1].b) {
                p[i1] ^= p[i];
            }
        }
    }
    
    for (int i = 0; i < n; i++) {
        cout << p[i].y << '\n';
    }

    return 0;
}