#include<bits/stdc++.h>
namespace {
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-function"
#include<atcoder/all>
#pragma GCC diagnostic pop
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(i,n) for(int i = (int)(n) - 1; i >= 0; i--)
#define all(x) begin(x), end(x)
#define rall(x) rbegin(x), rend(x)
template<class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return true; } else return false; }
template<class T> bool chmin(T& a, const T& b) { if (b < a) { a = b; return true; } else return false; }
using ll = long long;
using P = pair<int,int>;
using VI = vector<int>;
using VVI = vector<VI>;
using VL = vector<ll>;
using VVL = vector<VL>;

} int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  int n, k, q;
  cin >> n >> k >> q;
  vector<P> swps(k);
  for(auto& [a, b]: swps) cin >> a >> b, a--, b--;
  VI ans(q);
  vector<vector<tuple<int, int, int>>> evs(k + 1);
  rep(i, q) {
    int l, r, x;
    cin >> l >> r >> x;
    l--;
    x--;
    evs[r].emplace_back(i, l, x);
  }
  VI p(n);
  iota(all(p), 0);
  vector<vector<P>> evs2(k + 1);
  rep(i, k + 1) {
    for(auto [qi, l, x]: evs[i]) {
      int v = p[x];
      evs2[l].emplace_back(qi, v);
    }
    if (i == k) break;
    auto [a, b] = swps[i];
    swap(p[a], p[b]);
  }
  iota(all(p), 0);
  VI pos(n);
  iota(all(pos), 0);
  rep(i, k + 1) {
    for(auto [qi, v]: evs2[i]) {
      ans[qi] = pos[v] + 1;
    }
    if (i == k) break;
    auto [a, b] = swps[i];
    int va = p[a], vb = p[b];
    swap(pos[va], pos[vb]);
    swap(p[a], p[b]);
  }
  rep(i, q) cout << ans[i] << '\n';
}