/* Problem URL: https://codeforces.com/contest/2132/problem/F */ #include #include #include using namespace std; using namespace __gnu_pbds; template > using ordered_set = tree; #define V vector #define rmin(a, b) a = min(a, b) #define rmax(a, b) a = max(a, b) #define rep(i, lim) for (int i = 0; i < (lim); i++) #define nrep(i, s, lim) for (int i = s; i < (lim); i++) #define repv(i, v) for (auto &i : (v)) #define fillv(v) for (auto &itr_ : (v)) { cin >> itr_; } #define sortv(v) sort(v.begin(), v.end()) #define all(v) (v).begin(), (v).end() using vi = vector; using vvi = vector; using vvvi = vector; using vvvvi = vector; using ll = long long; using vl = vector; using vvl = vector; using vvvl = vector; using vvvvl = vector; template auto operator<<(ostream &os, const vector &vec)->ostream& { os << vec[0]; for (size_t i = 1; i < vec.size(); i++) { os << ' ' << vec[i]; } os << '\n'; return os; } template auto operator>>(istream &is, vector &vec)->istream& { for (auto &i : vec) { is >> i; } return is; } template auto operator<<(ostream &os, const vector> &vec)->ostream& { for (auto &i : vec) { os << i[0]; for (size_t j = 1; j < i.size(); j++) { os << ' ' << i[j]; } os << '\n'; } return os; } template auto operator>>(istream &is, vector> &vec)->istream& { for (auto &i : vec) { for (auto &j : i) { is >> j; } } return is; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int t; cin >> t; while (t--) { int n, m; cin >> n >> m; V>> graph(n); rep(i, m) { int a, b; cin >> a >> b; a--, b--; graph[a].emplace_back(b, i); graph[b].emplace_back(a, i); } V>> tree(n); int inf = INT32_MAX >> 1; int t = 0; vi low(n, inf); vi time(n, inf); V vis(n); V bridge(m); vi ans(n, inf); function dfs = [&](int i, int p) { low[i] = t; time[i] = t; t++; vis[i] = true; for (auto [j, id] : graph[i]) { if (j == p) { continue; } if (vis[j]) { rmin(low[i], time[j]); continue; } dfs(j, i); tree[i].emplace_back(j, id); rmin(low[i], low[j]); if (low[j] > time[i]) { bridge[id] = true; } } }; dfs(0, -1); vi tmp; function search = [&](int i) { if (i == n - 1) { return true; } for (auto [j, id] : tree[i]) { if (search(j)) { if (bridge[id]) { tmp.push_back(i); tmp.push_back(j); rmin(ans[i], id); rmin(ans[j], id); } return true; } } return false; }; search(0); set> fds; repv(i, tmp) { fds.emplace(ans[i], i); } int q; cin >> q; if (tmp.empty()) { while (q--) { int t; cin >> t; cout << "-1 "; } cout << '\n'; continue; } auto getans = [&]() { queue q; vi level(n, inf); for (auto [id, i] : fds) { q.push(i); level[i] = 0; } while (!q.empty()) { int i = q.front(); q.pop(); for (auto [j, id] : graph[i]) { if (level[j] > level[i] + 1) { level[j] = level[i] + 1; ans[j] = ans[i]; q.push(j); continue; } if (level[j] == level[i] + 1) { rmin(ans[j], ans[i]); } } } }; getans(); while (q--) { int x; cin >> x; cout << ans[x - 1] + 1 << ' '; } cout << '\n'; } }