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#pragma GCC optimize("O2,no-stack-protector,unroll-loops")
#define ll long long
#define pb push_back
#define ipar(arr, n) vector<ll> arr(n); for(int i=0;i<n;i++) cin>>arr[i];
#include <cmath>
#include <bits/stdc++.h>
#define pii pair<int, int>;
#define pll pair<ll, ll>;
using namespace std;

void flush_map(unordered_map<ll,ll>&ls){
    for(auto i:ls) cout<<i.first<<"-"<<i.second<<" ";
    cout<<"\n";
}
void solve(){
    ll n,m,l;cin>>n>>m>>l;
    unordered_map<ll,ll>ls;
    ll ind=0;
    while(m--){
        ll len;cin>>len;
        while(len--){
            ll x;cin>>x;
            ls[x]=ind; //color id belongs to list ind
        }
        ind++;
    }
    //flush_map(ls);
    ipar(strip,l);
    ll res=1;
    for(ll i=1;i<l;i++){
        if(ls[strip[i]]!=ls[strip[i-1]]) res++;
    }
    cout<<res<<"\n";
}


signed main() {
    ios_base::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    int t;
	cin>>t;
	while(t--) solve();
}