#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001

void Gauss(vector<bitset<1005>> &B){
	int now = 0;
	rep(i,1005){
		int temp = -1;
		for(int j=now;j<B.size();j++){
			if(B[j][i]){
				temp = j;
				break;
			}
		}
		if(temp==-1)continue;
		
		rep(j,B.size()){
			if(temp==j)continue;
			if(B[j][i])B[j] ^= B[temp];
		}
		
		swap(B[now],B[temp]);
		now++;
	}
}

int main(){
	
	int n,m;
	cin>>n>>m;
	vector<bitset<1005>> b;
	
	{
		bitset<1005> t;
		rep(i,n)t[i] = 1;
		b.push_back(t);
	}
	
	rep(i,m){
		bitset<1005> t;
		int l;
		cin>>l;
		rep(j,l){
			int a;
			cin>>a;
			t[a-1] = 1;
		}
		b.push_back(t);
		rep(j,n)t[j].flip();
		b.push_back(t);
	}
	
	Gauss(b);
	
	mint ans = 1;
	rep(i,b.size()){
		if(b[i]==bitset<1005>())continue;
		ans *= 2;
	}
	
	cout<<ans.val()<<endl;
	

	return 0;
}