#include <bits/stdc++.h>
using namespace std;
void setup()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
int q, n, m, a, b;
int s[18][120000], t[18][120000], sp[18][120000];
int depth[120000], state[4320000];
bool found;
pair<int, int> p[120000];
vector<int> g[120000], h[4320000];
inline void DFS(int node, int par)
{
sp[0][node] = par;
for (int i = 1; i < 18; ++i)
{
sp[i][node] = sp[i - 1][sp[i - 1][node]];
h[s[i - 1][node]].push_back(s[i][node]);
h[s[i - 1][sp[i - 1][node]]].push_back(s[i][node]);
h[t[i][node]].push_back(t[i - 1][node]);
h[t[i][node]].push_back(t[i - 1][sp[i - 1][node]]);
}
for (auto & i : g[node])
{
if (i != par)
{
depth[i] = depth[node] + 1;
DFS(i, node);
}
}
}
inline int LCA(int ina, int inb)
{
if (depth[ina] < depth[inb])
{
swap(ina, inb);
}
for (int i = 17; i >= 0; --i)
{
if (depth[sp[i][ina]] >= depth[inb])
{
ina = sp[i][ina];
}
}
if (ina == inb)
{
return ina;
}
for (int i = 17; i >= 0; --i)
{
if (sp[i][ina] != sp[i][inb])
{
ina = sp[i][ina];
inb = sp[i][inb];
}
}
return sp[0][ina];
}
inline int Prev(int ina, int inb)
{
for (int i = 17; i >= 0; --i)
{
if (depth[sp[i][ina]] > depth[inb])
{
ina = sp[i][ina];
}
}
return ina;
}
inline void ScanS(int ina, int inb, int ind)
{
for (int i = 17; i >= 0; --i)
{
if (depth[sp[i][ina]] >= depth[inb])
{
h[s[i][ina]].push_back(ind);
ina = sp[i][ina];
}
}
h[s[0][ina]].push_back(ind);
}
inline void ScanT(int ina, int inb, int ind)
{
for (int i = 17; i >= 0; --i)
{
if (depth[sp[i][ina]] >= depth[inb])
{
h[ind].push_back(t[i][ina]);
ina = sp[i][ina];
}
}
h[ind].push_back(t[0][ina]);
}
inline void DFS1(int node)
{
state[node] = 1;
for (auto & i : h[node])
{
if (found)
{
return;
}
if (state[i] == 0)
{
DFS1(i);
}
else if (state[i] == 1)
{
found = true;
return;
}
}
state[node] = 2;
}
int main()
{
setup();
cin >> q;
while (q--)
{
cin >> n;
found = false;
fill_n(g, n, vector<int>());
for (int i = 0; i < 18; ++i)
{
fill_n(s[i], n, -1);
fill_n(t[i], n, -1);
}
for (int i = 0; i < n - 1; ++i)
{
cin >> a >> b;
g[a - 1].push_back(b - 1);
g[b - 1].push_back(a - 1);
}
cin >> m;
for (int i = 0; i < m; ++i)
{
cin >> a >> b;
p[i] = {a - 1, b - 1};
s[0][a - 1] = i;
t[0][b - 1] = i;
}
a = m;
for (int i = 0; i < 18; ++i)
{
for (int j = 0; j < n; ++j)
{
if (s[i][j] == -1)
{
s[i][j] = a++;
}
if (t[i][j] == -1)
{
t[i][j] = a++;
}
}
}
fill_n(h, a, vector<int>());
fill_n(state, a, 0);
b = a;
DFS(0, 0);
for (int i = 0; i < m; ++i)
{
a = LCA(p[i].first, p[i].second);
if (p[i].first == a)
{
ScanS(p[i].second, Prev(p[i].second, p[i].first), i);
ScanT(sp[0][p[i].second], p[i].first, i);
}
else if (p[i].second == a)
{
ScanS(sp[0][p[i].first], p[i].second, i);
ScanT(p[i].first, Prev(p[i].first, p[i].second), i);
}
else
{
ScanS(sp[0][p[i].first], a, i);
ScanS(p[i].second, a, i);
ScanT(p[i].first, a, i);
ScanT(sp[0][p[i].second], a, i);
}
}
for (int i = 0; i < b && !found; ++i)
{
if (state[i] == 0)
{
DFS1(i);
}
}
cout << (found ? "No" : "Yes") << "\n";
}
return 0;
}
