#include <bits/stdc++.h>
using namespace std;
const int INF = 1000000;
int main(){
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  int N, KA, KB;
  cin >> N >> KA >> KB;
  vector<int> a(KA);
  for (int i = 0; i < KA; i++){
    cin >> a[i];
    a[i]--;
  }
  vector<int> b(KB);
  for (int i = 0; i < KB; i++){
    cin >> b[i];
    b[i]--;
  }
  vector<int> da(N, INF), db(N, INF);
  for (int i = 0; i < KA; i++){
    da[a[i]] = 0;
  }
  for (int i = 0; i < KB; i++){
    db[b[i]] = 0;
  }
  for (int i = 0; i < N - 1; i++){
    da[i + 1] = min(da[i + 1], da[i] + 1);
    db[i + 1] = min(db[i + 1], db[i] + 1);
  }
  for (int i = N - 2; i >= 0; i--){
    da[i] = min(da[i], da[i + 1] + 1);
    db[i] = min(db[i], db[i + 1] + 1);
  }
  int d = INF;
  for (int i = 0; i < KA; i++){
    d = min(d, db[a[i]]);
  }
  int Q;
  cin >> Q;
  for (int i = 0; i < Q; i++){
    int s, t;
    cin >> s >> t;
    s--;
    t--;
    cout << min({abs(s - t), da[s] + da[t], db[s] + db[t], da[s] + d + db[t], db[s] + d + da[t]}) << '\n';
  }
}