#include<bits/stdc++.h>
using namespace std;
#define all(fl) fl.begin(),fl.end()
#define pb push_back
#define fi first
#define se second
#define for1(i,j,k) for(int i=j;i<=k;i++)
#define for2(i,j,k) for(int i=j;i>=k;i--)
#define for3(i,j,k,l) for(int i=j;i<=k;i+=l)
#define lb lower_bound
#define ub upper_bound
#define sz(a) (int)a.size()
#define pii pair<int,int>
#define pli pair<long long,int>
#define gcd __gcd
#define lcm(x,y) x*y/__gcd(x,y)
#define lastbit(i) __builtin_ctz(i)
const int maxn=1e5+2e4+9;
vector<int>a[maxn];
pii b[maxn];
int st[maxn][17];
int d[maxn];
void dfs(int u,int par){
for (auto v:a[u]){
if (v==par)continue;
st[v][0]=u;
for1(i,1,17)st[v][i]=st[st[v][i-1]][i-1];
d[v]=d[u]+1;
dfs(v,u);
}
}
int lca(int u,int v){
if (d[u]<d[v])swap(u,v);
int k=d[u]-d[v];
for1(i,0,17)if (k>>i&1)u=st[u][i];
if (u==v)return u;
for2(i,17,0){
if (!st[u][i]||!st[v][i])continue;
if (st[u][i]!=st[v][i]){
u=st[u][i];
v=st[v][i];
}
}
return st[u][0];
}
bool onpath(int u,int v,int k){
int t=lca(u,v);
if (lca(t,k)==t&&lca(k,u)==k)return 1;
if (lca(t,k)==t&&lca(k,v)==k)return 1;
return 0;
}
vector<int>g[maxn];
int scc=0;
int low[maxn],num[maxn],tme=0;
stack<int>t;
void redfs(int u){
t.push(u);
low[u]=num[u]=++tme;
for (auto v:g[u]){
if (num[v]==-1)continue;
if (num[v])low[u]=min(low[u],low[v]);
else {
redfs(v);
low[u]=min(low[u],low[v]);
}
}
if (low[u]==num[u]){
scc++;
while (!t.empty()&&t.top()!=u){
num[t.top()]=-1;
t.pop();
}
num[u]=-1;
t.pop();
}
}
void solve(){
int n;
cin>>n;
for1(i,1,n){
a[i].clear();
g[i].clear();
}
for1(i,1,n-1){
int u,v;
cin>>u>>v;
a[u].pb(v);
a[v].pb(u);
}
for1(i,0,17)for1(j,1,n)st[j][i]=0;
dfs(1,0);
int m;
cin>>m;
for1(i,1,m){
low[i]=num[i]=0;
cin>>b[i].fi>>b[i].se;
}
for1(i,1,m){
for1(j,1,m){
if (i==j)continue;
if (onpath(b[i].fi,b[i].se,b[j].fi)){
g[j].pb(i);
//cout<<j<<" "<<i<<'\n';
}
if (onpath(b[i].fi,b[i].se,b[j].se)){
g[i].pb(j);
//cout<<i<<" "<<j<<'\n';
}
}
}
scc=tme=0;
for1(i,1,m)if (!num[i])redfs(i);
//cout<<low[1]<<" "<<num[1]<<" "<<low[2]<<" "<<num[2];
if (scc==m)cout<<"Yes"<<'\n';
else cout<<"No"<<'\n';
}
signed main(){
ios_base::sync_with_stdio(0);
cin.tie(0);
//freopen("temp.INP","r",stdin);
//freopen("temp.OUT","w",stdout);
int t;
cin>>t;
while (t--)solve();
}
