#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
typedef long long int ll;
typedef long double ld;
typedef vector<ll> vi;
typedef vector<vi> vvi;
typedef vector<vvi> vvvi;
typedef vector<vvvi> vvvvi;
typedef pair<ll,ll> pi;
typedef pair<ll,pi> ppi;
typedef pair<ll,ppi> pppi;
typedef pair<ll,pppi> ppppi;
#define FOR(i,l,r) for(ll i=l;i<r;i++)
#define REP(i,n) FOR(i,0,n)
#define RFOR(i,l,r) for(ll i=r-1;i>=l;i--)
#define RREP(i,n) RFOR(i,0,n)
#define ALL(x) x.begin(),x.end()
#define F first
#define S second
#define BS(A,x) binary_search(ALL(A),x)
#define LB(A,x) (ll)(lower_bound(ALL(A),x)-A.begin())
#define UB(A,x) (ll)(upper_bound(ALL(A),x)-A.begin())
#define COU(A,x) (UB(A,x)-LB(A,x))
#define sz(c) ((ll)(c).size())
/*
#include<boost/multiprecision/cpp_int.hpp>
namespace mp=boost::multiprecision;
using Bint=mp::cpp_int;
*/
template<typename T>using min_priority_queue=priority_queue<T,vector<T>,greater<T>>;
template<typename T1,typename T2>ostream&operator<<(ostream&os,pair<T1,T2>&p){os<<p.F<<" "<<p.S;return os;}
template<typename T1,typename T2>istream&operator>>(istream&is,pair<T1,T2>&p){is>>p.F>>p.S;return is;}
template<typename T>ostream&operator<<(ostream&os,vector<T>&v){REP(i,sz(v))os<<v[i]<<(i+1!=sz(v)?" ":"");return os;}
template<typename T>istream&operator>>(istream&is,vector<T>&v){for(T&in:v)is>>in;return is;}
template<class T>bool chmax(T&a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T&a,T b){if(b<a){a=b;return 1;}return 0;}
ld dist(ld x1,ld y1,ld x2,ld y2){return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));}
//*
using mint=modint998244353;
const ll mod=998244353;
const ld EPS=1e-8;
//*/
/*
using mint=modint1000000007;
const ll mod=1000000007;
//*/
//using mint=modint;
//*
typedef vector<mint> vm;
typedef vector<vm> vvm;
typedef vector<vvm> vvvm;
typedef vector<vvvm> vvvvm;
ostream&operator<<(ostream&os,mint&a){os<<a.val();return os;}
//*/
mint det(vvm A){
	ll N=sz(A);
	REP(i,N){
		ll j=i;
		while(j<N&&A[j][i].val()==0)j++;
		if(j==N)return 0;
		swap(A[i],A[j]);
		FOR(k,i+1,N){
			mint r=A[k][i]/A[i][i];
			FOR(l,i,N)A[k][l]-=r*A[i][l];
		}
	}
	mint ans=1;
	REP(i,N)ans*=A[i][i];
	return ans;
}
int main(){
  ll N,K;cin>>N>>K;
  vector<vector<pi>>E(K);
  REP(i,K){
  	ll t;cin>>t;
  	E[i].resize(t);
  	cin>>E[i];
  	REP(j,t){
  		E[i][j].F--;
  		E[i][j].S--;
  	}
  }
  vm DP(1<<K);
  REP(i,1<<K){
  	vvi F(N,vi(N));
  	REP(j,K)if((i>>j)%2){
  		for(auto[u,v]:E[j]){
  			F[u][v]++;
  			F[v][u]++;
  		}
  	}
  	vvm L(N,vm(N));
  	REP(j,N)REP(k,N){
  		if(j!=k)L[j][k]=-F[j][k];
  		else{
  			REP(l,N)L[j][j]+=F[j][l];
  		}
  	}
  	DP[i]=det(L);
  }
  mint ans=0;
  REP(i,1<<K){
  	ll c=0;
  	REP(j,K)if((i>>j)%2==0)c++;
  	if(c%2)ans-=DP[i];
  	else ans+=DP[i];
  }
  cout<<ans<<endl;
  return 0;
}