#include <bits/stdc++.h>

using namespace std;

// #include "debug.h"

void solve() {
        int n;
        cin >> n;

        vector<int> a(n);
        for (int i = 0; i < n; ++i) {
                cin >> a[i];
        }

        vector<vector<int>> g(n);
        for (int i = 0; i < n - 1; ++i) {
                int u, v;
                cin >> u >> v;
                --u, --v;

                g[u].push_back(v), g[v].push_back(u);
        }

        vector<vector<int>> sub(n);
        vector<int> sz(n, 1);

        auto merge = [&](vector<int> &u, vector<int> &v) {
                if (v.size() > u.size()) {
                        swap(u, v);
                }

                for (int i : v) {
                        u.push_back(i);
                }
        };

        vector<int> ans(n);
        auto go = [&](auto &&go, int u, int v) -> void {
                sub[u].push_back(a[u]);

                for (int c : g[u]) {
                        if (c == v) {
                                continue;
                        }

                        go(go, c, u);

                        sz[u] += sz[c];
                        merge(sub[u], sub[c]);
                }

                sort(sub[u].begin(), sub[u].end());
                sub[u].erase(unique(sub[u].begin(), sub[u].end()), sub[u].end());
                sub[u].shrink_to_fit();

                int cnt = upper_bound(sub[u].begin(), sub[u].end(), sz[u]) - sub[u].begin();
                ans[u] = sz[u] - cnt;
        };
        go(go, 0, 0);

        int q;
        cin >> q;
        for (int i = 0; i < q; ++i) {
                int x;
                cin >> x;
                cout << ans[x - 1] << '\n';
        }
}

int32_t main() {
        ios_base::sync_with_stdio(false);
        cin.tie(0);

        int tc = 1;
        cin >> tc;

        while (tc--) {
                solve();
        }
}