#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
int main () {
	int N, M;
	cin >> N >> M;
	std::vector<vector<int>> mr(N);
	vector<int> S(M);
	for (int i = 0; i < M; i ++) {
		int l;
		cin >> l >> S[i];
		while (l--) {
			int a;
			cin >> a;
			mr[--a].push_back(i);
		}
	}
	mint ans = 0;
	for (int i = 0; i < N; i ++) {
		int p = 0;
		for (int j : mr[i]) {
			p |= S[j];
		}
		ans += mint(p) / 2;
	}
	cout << ans.val() << endl;
}