#include <bits/stdc++.h>
using namespace std;
#define ll long long
int main() {
ios_base::sync_with_stdio(0), cin.tie(0);
int t;
cin >> t;
while (t--) {
int n;
cin >> n;
for (int i = 1, u, v; i < n; i++) {
cin >> u >> v;
u--, v--;
}
int m;
cin >> m;
int st[n]{}, en[n]{}, st2[n]{}, en2[n]{};
vector<array<int, 2>> v;
for (int i = 0; i < m; i++) {
int s, e;
cin >> s >> e;
s--, e--;
v.push_back({min(s, e), max(s, e)});
if (s < e) {
st[s]++;
en[e]++;
} else {
st2[s]++;
en2[e]++;
}
}
bool ok = 1;
sort(v.begin(), v.end());
int mn = 1e9;
for (int i = v.size() - 1; i >= 0; i--) {
if (mn < v[i][1]) {
ok = 0;
}
mn = min(mn, v[i][1]);
}
int cnt[n]{}, c = 0;
for (int i = 0; i < n; i++) {
c += st[i];
if (c) {
cnt[i]++;
}
c -= en[i];
}
c = 0;
for (int i = n - 1; i >= 0; i--) {
c += st2[i];
if (c && cnt[i]) {
ok = 0;
}
c -= en2[i];
}
cout << (ok? "Yes\n" : "No\n");
}
return 0;
}
