#pragma GCC optimize("Ofast")
#pragma GCC target("ssse3")

#include <iostream>
#include <cstdio>
#include <cstdlib>
#include <algorithm>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <queue>
#include <ctime>
#include <cassert>
#include <complex>
#include <string>
#include <cstring>
#include <chrono>
#include <random>
#include <bitset>
#include <fstream>
using namespace std;
#define ii pair <int, int>
#define app push_back
#define all(a) a.begin(), a.end()
#define bp __builtin_popcountll
#define ll long long
#define mp make_pair
#define x first
#define y second
#define Time (double)clock()/CLOCKS_PER_SEC
#define debug(x) std::cerr << #x << ": " << x << '\n';
#define FOR(i, n) for (int i = 0; i < n; ++i)
#define pb push_back
#define trav(a, x) for (auto& a : x)
using vi = vector<int>;
template <typename T>
std::ostream& operator <<(std::ostream& output, const pair <T, T> & data)
{
    output << "(" << data.x << "," << data.y << ")";
    return output;
}
template <typename T>
std::ostream& operator <<(std::ostream& output, const std::vector<T>& data)
{
    for (const T& x : data)
        output << x << " ";
    return output;
}
ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded up
ll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded down 
ll math_mod(ll a, ll b) { return a - b * div_down(a, b); }
#define tcT template<class T
#define tcTU tcT, class U
tcT> using V = vector<T>; 
tcT> void re(V<T>& x) { 
    trav(a, x)
        cin >> a;
}
tcT> bool ckmin(T& a, const T& b) {
    return b < a ? a = b, 1 : 0; 
} // set a = min(a,b)
tcT> bool ckmax(T& a, const T& b) {
    return a < b ? a = b, 1 : 0; 
}
ll gcd(ll a, ll b) {
    while (b) {
        tie(a, b) = mp(b, a % b);
    }
    return a;
}

const int N = 1600;

int gauss (vector < bitset<N> > a, int n, int m, bitset<N> & ans) {
    vector<int> where (m, -1);
    for (int col=0, row=0; col<m && row<n; ++col) {
        for (int i=row; i<n; ++i)
            if (a[i][col]) {
                swap (a[i], a[row]);
                break;
            }
        if (! a[row][col])
            continue;
        where[col] = row;
 
        for (int i=0; i<n; ++i)
            if (i != row && a[i][col])
                a[i] ^= a[row];
        ++row;
    }
    for (int i=0; i<m; ++i)
        if (where[i] != -1)
            ans[i] = a[where[i]][m];
    for (int i=0; i<n; ++i) {
        int sum = 0;
        for (int j=0; j<m; ++j)
            sum ^= ans[j] * a[i][j];
        if (sum != a[i][m]) {
            cout << -1 << endl;
            exit(0);
        }
    }
 
    for (int i=0; i<m; ++i)
        if (where[i] == -1)
            return 2;
    return 1;
}

V <bitset <N> > a;

signed main() {
    #ifdef ONLINE_JUDGE
    #define endl '\n'
    ios_base::sync_with_stdio(0); cin.tie(0);
    #endif
    int n, m;
    cin >> n >> m;
    FOR (i, m) {
        int k;
        cin >> k;
        vi who(k);
        re(who);
        trav (e, who)
            e--;

        int sum;
        cin >> sum;

        FOR (bit, 30) {
            bitset <N> add;
            trav (e, who) {
                add[e * 30 + bit] = 1;
            }
            add[30 * n] = (sum >> bit) & 1;
            a.app(add);
        }
    }
    bitset <N> ans;
    gauss(a, a.size(), 30 * n, ans);
    vi p(n);
    FOR (i, 30 * n) {
        if (ans[i]) {
            p[i/30] += 1ll << (i%30);
        }
    }
    trav (e, p)
        cout << e << endl;
}