//Shirasu Azusa 2024.5
#include <bits/stdc++.h>
#define fi first
#define se second
#define eb emplace_back
#define mp make_pair
using namespace std;
typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef __int128 i128;
template<class T,class S>
bool chmax(T &a,const S b) {return (a<b?a=b,1:0);}
template<class T,class S>
bool chmin(T &a,const S b) {return (a>b?a=b,1:0);}
int popcnt(int x) {return __builtin_popcount(x);}
int popcnt(ll x)  {return __builtin_popcountll(x);}
int topbit(int x) {return (x==0?-1:31-__builtin_clz(x));}
int topbit(ll x)  {return (x==0?-1:63-__builtin_clzll(x));}
int lowbit(int x) {return (x==0?-1:__builtin_ctz(x));}
int lowbit(ll x)  {return (x==0?-1:__builtin_ctzll(x));}

#define int long long
#define rep(i,a,b) for(int i=(a);i<=(b);i++)
#define per(i,a,b) for(int i=(a);i>=(b);i--)
typedef pair<int,int> pii;  
typedef vector<int> vi;
typedef vector<pii> vp;
typedef tuple<int,int,int> tiii;
int read() {
  int x=0,w=1; char c=getchar(); 
  while(!isdigit(c)) {if(c=='-') w=-1; c=getchar();}
  while(isdigit(c)) {x=x*10+(c-'0'); c=getchar();} 
  return x*w;
}

const int N=1e5+5;
int n,m,q,p[N],deg[N],fa[N][22],d[N],dfn[N],tick,b[N],sz[N],f[N][7],K,L;
vi e[N],r[N],t[N],g[N];

namespace Reach {
  int vst[N],dfn[N],tick,sz[N]; bool rt[N];
  vi p; bitset<N> fr[55],to[55];
  void dfs(int u) {
    dfn[u]=++tick, sz[u]=1; vst[u]=1;
    for(int v:e[u]) {
      if(vst[v]) rt[u]=1;
      else dfs(v), sz[u]+=sz[v];
    }
  }
  void work(int d,int s) {
    queue<int>q; fr[d][s]=1; q.push(s);
    while(!q.empty()) {
      int u=q.front(); q.pop();
      for(int v:e[u]) if(!fr[d][v]) fr[d][v]=1, q.push(v);
    } to[d][s]=1; q.push(s);
    while(!q.empty()) {
      int u=q.front(); q.pop();
      for(int v:r[u]) if(!to[d][v]) to[d][v]=1, q.push(v);
    }
  }
  bool reach(int x,int y) {
    if(dfn[x]<=dfn[y]&&dfn[y]<dfn[x]+sz[x]) return 1;
    rep(i,0,(int)p.size()-1) if(fr[i][y]&&to[i][x]) return 1;
    return 0;
  }
  void init() {
    dfs(1);
    rep(i,1,n) if(rt[i]) p.eb(i);
    rep(i,0,(int)p.size()-1) work(i,p[i]);
  }
} using Reach::reach;

int lca(int x,int y) {
  if(d[x]<d[y]) swap(x,y); if(!x||!y) return x+y;
  per(h,18,0) if(d[fa[x][h]]>=d[y]) x=fa[x][h];
  per(h,18,0) if(fa[x][h]!=fa[y][h]) x=fa[x][h], y=fa[y][h];
  return x==y?x:fa[x][0];
}
int climb(int x,int y) {
  per(h,18,0) if(y&(1<<h)) x=fa[x][h]; return x;
}
void buildom() {
  queue<int>q; q.push(1); d[1]=1;
  while(!q.empty()) {
    int u=q.front(); q.pop();
    d[u]=d[fa[u][0]]+1, t[fa[u][0]].eb(u);
    rep(h,1,20) fa[u][h]=fa[fa[u][h-1]][h-1];
    for(int v:e[u]) {
      fa[v][0]=lca(fa[v][0],u);
      if(!--deg[v]) q.push(v);
    }
  }
}
void dfs(int u) {
  dfn[u]=++tick, sz[u]=1;
  for(int v:t[u]) dfs(v), sz[u]+=sz[v];
}
bool cmp(const int &x,const int &y) {return dfn[x]<dfn[y];}
bool chk(int x) {
  //cout<<"chk "<<x<<" "<<L<<endl;
  for(int y:g[L]) {
    //cout<<"         "<<y<<" "<<reach(x,y)<<endl;
    if(dfn[y]<=dfn[x]&&dfn[x]<dfn[y]+sz[y]) continue;
    else if(dfn[x]<=dfn[y]&&dfn[y]<dfn[x]+sz[x]) continue;
    else if(reach(x,y)) return 0;
  } return 1;
}
void dfs2(int u,int faa,int tp=0) {
  //cout<<"DFSX "<<u<<" "<<faa<<endl;
  rep(i,0,K) f[u][i]=0; f[u][0]=1; int resu=(u==L?0:chk(u));
  if(!b[u]) {
    for(int v:g[u]) {
      dfs2(v,u,resu);
      static int h[10];
      rep(i,0,K) h[i]=0;
      rep(i,0,K) rep(j,1,K-i) h[i+j]+=f[u][i]*f[v][j];
      rep(i,0,K) f[u][i]=h[i];
    }
  }
  if(tp) {
    f[u][1]+=d[u]-d[faa];
  } else if(resu||u==L) {
    int x=u;
    per(h,18,0) if(d[fa[x][h]]>d[faa]) {
      if(chk(fa[x][h])) x=fa[x][h];
    }
    f[u][1]+=d[u]-d[x]+1;
  }
  //cout<<u<<" "<<f[u][0]<<" "<<f[u][1]<<" "<<f[u][2]<<endl;
}
int work() {
  int k=read(), m=read(); L=0; vi ykn,ako; K=k;
  rep(i,1,m) {int u=read(); L=lca(L,u); ykn.eb(u);}
  if(k==1) return d[L];
  for(int u:ykn) if(u==L) return 0;
  sort(ykn.begin(),ykn.end(),cmp);
  rep(i,0,m-2) ako.eb(lca(ykn[i],ykn[i+1]));
  rep(i,0,m-1) ako.eb(ykn[i]), b[ykn[i]]=1;
  sort(ako.begin(),ako.end(),cmp);
  ako.resize(m=unique(ako.begin(),ako.end())-ako.begin());
  rep(i,1,m-1) g[lca(ako[i-1],ako[i])].eb(ako[i]);
  if(g[L].size()>k) return 0; dfs2(L,L);
  for(int x:ako) b[x]=0, g[x].clear(); return f[L][k];
}

signed main() {
  n=read(), m=read(), q=read();
  rep(i,1,m) {
    int u=read(), v=read();
    e[u].eb(v), r[v].eb(u);
    deg[v]++;
  }
  Reach::init();
  buildom(); dfs(1);
  rep(i,1,q) printf("%lld\n",work());
  return 0;
}