#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<(n);i++)

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  int n,x,y;cin>>n>>x>>y;

  constexpr pair<int,int> null{-1,-1};
  vector<pair<int,int>> P(n,null);
  vector<pair<int,int>> match(x);

  vector<stack<int>> Q(y);

  REP(i1,x){
    int k;cin>>k;
    match[i1]={-1,k};
    REP(j1,k+1){
      int u;cin>>u;u--;
      if(clamp(u,0,n-1)!=u)continue;
      P[u]={i1,j1};
    }
  }
  REP(i2,y){
    int l;cin>>l;
    REP(j2,l+1){
      int v;cin>>v;v--;
      if(clamp(v,0,n-1)!=v or P[v]==null)continue;
      Q[i2].push(v);
    }
  }

  queue<int> que;
  REP(i2,y)que.push(i2);
  while(que.size()){
    int i2=que.front();que.pop();
    cerr<<i2<<'\n';
    while(Q[i2].size()){
      int v=Q[i2].top();Q[i2].pop();
      auto [i1,j1]=P[v];
      if(match[i1].second > j1){
        if(~match[i1].first)
          que.push(match[i1].first);
        match[i1] = {i2, j1};
        break;
      }
    }
  }

  int ans=0;
  for(const auto&[_,score]:match)ans+=score;
  cout<<ans<<'\n';
}