#include "bits/stdc++.h"
using namespace std;
using ll = long long;
using ld = long double;
using ull = unsigned long long;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
// https://codeforces.com/blog/entry/79148
class Timer: chrono::high_resolution_clock {
const time_point start_time;
public:
Timer(): start_time(now()) {}
rep elapsed_time() const {
return chrono::duration_cast<chrono::milliseconds>(now() - start_time).count();
}
} timer;
int main() {
ios::sync_with_stdio(0);
cin.tie(0);
int q;
cin >> q;
while (q--) {
int n, m;
cin >> n;
vector<vector<int>> tree(n + 1);
for (int i = 1; i < n; i++) {
int u, v;
cin >> u >> v;
tree[u].push_back(v);
tree[v].push_back(u);
}
vector<int> sz(n + 1, 1), heavy(n + 1), head(n + 1), pos(n + 1), depth(n + 1), par(n + 1);
int cur = 0;
depth[1] = 0;
auto dfs = [&] (auto self, int u, int p)->void {
int cur_max = 0;
par[u] = p;
for (auto &v : tree[u]) {
if (v != p) {
depth[v] = depth[u] + 1;
self(self, v, u);
sz[u] += sz[v];
if (sz[v] > cur_max) {
cur_max = sz[v];
heavy[u] = v;
}
}
}
};
auto decomp = [&] (auto self, int u, int p, int h)->void {
head[u] = h;
pos[u] = cur;
cur++;
if (heavy[u]) {
self(self, heavy[u], u, h);
}
for (auto &v : tree[u]) {
if (v != p && v != heavy[u]) {
self(self, v, u, v);
}
}
};
dfs(dfs, 1, 0);
decomp(decomp, 1, 0, 1);
cin >> m;
vector<pair<int, int>> queries(m);
for (int i = 0; i < m; i++) {
cin >> queries[i].first >> queries[i].second;
}
vector<vector<int>> graph(8 * n + m);
auto build = [&] (auto self, int p, int rl, int rr, bool flag)->void {
if (rl == rr) {
return;
}
int u = flag * 4 * n + p, l = flag * 4 * n + p * 2, r = flag * 4 * n + p * 2 + 1;
if (flag) {
graph[u].push_back(l);
graph[u].push_back(r);
}
else {
graph[l].push_back(u);
graph[r].push_back(u);
}
int rm = (rl + rr) / 2;
self(self, p * 2, rl, rm, flag);
self(self, p * 2 + 1, rm + 1, rr, flag);
};
build(build, 1, 0, n - 1, 0);
build(build, 1, n, 2 * n - 1, 1);
auto add = [&] (auto self, int p, int rl, int rr, int l, int r, bool flag, bool dir, int from)->void {
int u = flag * 4 * n + p;
if (rl == l && rr == r) {
if (dir) {
graph[from].push_back(u);
}
else {
graph[u].push_back(from);
}
}
else {
int rm = (rl + rr) / 2;
if (l <= rm) {
self(self, p * 2, rl, rm, l, min(r, rm), flag, dir, from);
}
if (r > rm) {
self(self, p * 2 + 1, rm + 1, rr, max(rm + 1, l), r, flag, dir, from);
}
}
};
auto update = [&] (int u, int v, int from)->void {
from += 8 * n;
add(add, 1, 0, n - 1, pos[u], pos[u], 0, 1, from);
add(add, 1, 0, n - 1, pos[v], pos[v], 0, 0, from);
add(add, 1, n, 2 * n - 1, n + pos[u], n + pos[u], 1, 1, from);
add(add, 1, n, 2 * n - 1, n + pos[v], n + pos[v], 1, 0, from);
if (depth[u] > depth[v]) {
swap(u, v);
}
v = par[v];
bool flag = 0;
while (head[u] != head[v]) {
if (depth[u] > depth[v]) {
swap(u, v);
if (!flag) {
flag = 1;
v = par[v];
continue;
}
}
add(add, 1, 0, n - 1, pos[head[v]], pos[v], 0, 0, from);
add(add, 1, n, 2 * n - 1, n + pos[head[v]], n + pos[v], 1, 1, from);
v = par[head[v]];
}
if (depth[u] > depth[v]) {
swap(u, v);
if (!flag) {
flag = 1;
v = par[v];
}
}
if (flag) {
add(add, 1, 0, n - 1, pos[u], pos[v], 0, 0, from);
add(add, 1, n, 2 * n - 1, n + pos[u], n + pos[v], 1, 1, from);
}
else {
if (u == v) {
return;
}
add(add, 1, 0, n - 1, pos[u] + 1, pos[v], 0, 0, from);
add(add, 1, n, 2 * n - 1, n + pos[u] + 1, n + pos[v], 1, 1, from);
}
};
for (int i = 0; i < m; i++) {
auto &[u, v] = queries[i];
update(u, v, i);
}
vector<int> vis(8 * n + m, 0);
bool flag = 1;
auto dfs2 = [&] (auto self, int u)->void {
vis[u] = 1;
for (auto &v : graph[u]) {
if (vis[v] == 1) {
flag = 0;
}
if (!vis[v]) {
self(self, v);
}
if (!flag) {
return;
}
}
vis[u] = 2;
};
for (int i = 0; i < 8 * n + m; i++) {
if (!vis[i]) {
dfs2(dfs2, i);
if (!flag) {
break;
}
}
}
/*for (int i = 0; i < 8 * n + m; i++) {
for (auto &j : graph[i]) {
cout << i << " " << j << "\n";
}
}*/
cout << (flag ? "Yes" : "No") << "\n";
}
return 0;
}
