#include <bits/stdc++.h>
#define int long long
using namespace std;
vector <int> z[1000005];
int sta[1000005];
int fin[1000005];
int tour;
int euler[2000005];
int high[1000005];
int logarit[1000005];
int st[400001][21];
pair<int,int> v[1000005];
void dfs(int i,int par){
tour++;
sta[i]=tour;
euler[tour]=i;
for (auto p:z[i]){
if (p==par){
continue;
}
high[p]=high[i]+1;
dfs(p,i);
tour++;
euler[tour]=i;
}
tour++;
fin[i]=tour;
euler[tour]=i;
}
void buildst(){
for (int i=1;i<=tour;i++){
st[i][0]=euler[i];
}
for (int j=1;j<=20;j++){
for (int i=1;i+(1<<j)-1<=tour;i++){
int l=st[i][j-1];
int r=st[i+(1<<(j-1))][j-1];
if (high[l]<high[r]){
st[i][j]=l;
}else{
st[i][j]=r;
}
}
}
}
int cnt[1000005];
int lca(int x,int y){
int l = min(sta[x], sta[y]);
int r = max(sta[x], sta[y]);
int j = logarit[r - l + 1];
int idx1 = st[l][j];
int idx2 = st[r - (1 << j) + 1][j];
return (high[idx1] < high[idx2] ? idx1 : idx2);
}
bool isanc(int x,int y){
return sta[x]>=sta[y] && fin[x]<=fin[y];
}
bool onpath(int x,int y,int u){
int l=lca(x,y);
return ((isanc(x,u) && isanc(u,l)) || (isanc(y,u) && isanc(u,l)));
}
stack<int> s;
vector <int> z1[1000005];
int pos[1000005];
bool vis[1000005];
void dfs1(int i){
vis[i]=true;
for (auto p:z1[i]){
if (vis[p]){
continue;
}
dfs1(p);
}
s.push(i);
}
void solve(){
int a;
cin >> a;
for (int i=1;i<a;i++){
int x,y;
cin >> x >> y;
z[x].push_back(y);
z[y].push_back(x);
}
tour=0;
dfs(1,0);
buildst();
int c;
cin >> c;
for (int i=1;i<=c;i++){
cin >> v[i].first >> v[i].second;
}
// cout << "\n";
bool check=true;
for (int i=1;i<=c;i++){
for (int j=1;j<=c;j++){
if (i==j){
continue;
}
auto [x,y]=v[i];
auto [u,v1]=v[j];
if (onpath(x,y,u) ){
z1[u].push_back(x);
// cout << j << " " << i << "\n";
}
if (onpath(x,y,v1) ){
z1[x].push_back(v1);
// cout << i << " " << j << "\n";
}
}
}
for (int i=1;i<=a;i++){
if (!vis[i]){
dfs1(i);
}
}
int cur=0;
while (s.size()){
cur++;
int x=s.top();
s.pop();
pos[x]=cur;
}
for (int i=1;i<=a;i++){
for (auto p:z1[i]){
if (pos[i]>pos[p]){
check=false;
break;
}
}
}
if (check){
cout << "Yes" << "\n";
}else{
cout << "No" << "\n";
}
for (int i=1;i<=max(a,c);i++){
z[i].clear();
z1[i].clear();
vis[i]=false;
pos[i]=0;
}
for (int i=1;i<=a;i++){
for (int j=0;j<=20;j++){
st[i][j]=0;
}
}
}
signed main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int t;
cin >> t;
logarit[2] = 1;
for(int i = 3; i <= 1000000; i++){
logarit[i] = logarit[i/2] + 1;
}
while (t--){
solve();
}
return 0;
}
