#include <bits/stdc++.h>
using namespace std;
typedef signed long long ll;

#define _P(...) (void)printf(__VA_ARGS__)
#define FOR(x,to) for(x=0;x<(to);x++)
#define FORR(x,arr) for(auto& x:arr)
#define FORR2(x,y,arr) for(auto& [x,y]:arr)
#define ALL(a) (a.begin()),(a.end())
#define ZERO(a) memset(a,0,sizeof(a))
#define MINUS(a) memset(a,0xff,sizeof(a))
template<class T> bool chmax(T &a, const T &b) { if(a<b){a=b;return 1;}return 0;}
template<class T> bool chmin(T &a, const T &b) { if(a>b){a=b;return 1;}return 0;}
//-------------------------------------------------------

int N,M;
const ll mo=998244353;

const int MAT=8080;
bitset<8080> BS[8080];

int Rank(int R,int C,bitset<8080> BS[MAT]) {
	int i,j,k;
	int nex=0;
	FOR(i,R) {
		while(nex<C) {
			for(j=i;j<R;j++) if(BS[j][nex]) break;
			if(j!=R) break;
			nex++;
		}
		if(nex>=C) break;
		swap(BS[i],BS[j]);
		FOR(j,R) if(i!=j && BS[j][nex]) {
			BS[j]^=BS[i];
		}
		nex++;
	}
	return i;
}

void solve() {
	int i,j,k,l,r,x,y; string s;
	
	cin>>N>>M;
	FOR(i,N) BS[0][i]=1;
	FOR(i,M) {
		cin>>x;
		while(x--) {
			cin>>y;
			BS[2*i+1][y-1]=1;
		}
		FOR(j,N) BS[2*i+2][j]=1^BS[2*i+1][j];
	}
	x=Rank(2*M+1,N,BS);
	ll ret=1;
	FOR(i,x) ret=ret*2%mo;
	cout<<ret<<endl;
}


int main(int argc,char** argv){
	string s;int i;
	if(argc==1) ios::sync_with_stdio(false), cin.tie(0);
	FOR(i,argc-1) s+=argv[i+1],s+='\n'; FOR(i,s.size()) ungetc(s[s.size()-1-i],stdin);
	cout.tie(0); solve(); return 0;
}