#include <iostream>
#include <vector>
#include <algorithm>
#include <utility>
#include <tuple>
#define pii pair<int, int>
#define piii pair<int, pii>
#define pll pair<long long, long long>
#define plll pair<long long, pll>
#define tiii tuple<int, int, int>
#define tiiii tuple<int, int, int, int>
#define ff first
#define ss second
#define ee ss.ff
#define rr ss.ss
#define DEBUG
const int INF = (int)1e9 + 7;
using namespace std;
int n, m;
vector<int> gph[121212];
vector<int> ord[1212121];
int par[121212];
int sub[121212];
int sz[1212121];
int in[121212];
int out[121212];
int dep[121212];
int up[121212];
int st[121212];
int ed[121212];
int cnt;
void dfs(int x, int p, int d)
{
dep[x] = d;
sub[x] = 1;
par[x] = p;
vector<int> tmp;
for(auto y : gph[x]) if(y != p) dfs(y, x, d + 1), sub[x] += sub[y], tmp.push_back(y);
gph[x] = tmp;
}
void dfs2(int x, int p)
{
in[x] = cnt++;
up[x] = (gph[p][0] == x ? up[p] : x);
for(auto &y : gph[x]) if(y != sub[y] > sub[gph[x][0]]) swap(y, gph[x][0]);
for(auto y : gph[x]) dfs2(y, x);
out[x] = cnt;
}
void init()
{
for(int i = 0; i < n; ++i)
{
if(st[i] != -1) ord[st[i]].push_back(i + n + m);
if(ed[i] != -1) ord[i + 3 * n + m].push_back(ed[i]);
}
for(int i = n - 1; i >= 1; --i)
{
ord[2 * i + m].push_back(i + m);
ord[2 * i + 1 + m].push_back(i + m);
ord[i + 2 * n + m].push_back(2 * i + 2 * n + m);
ord[i + 2 * n + m].push_back(2 * i + 1 + 2 * n + m);
}
}
void upd(int l, int r, int i)
{
for(int x = l + n, y = r + n; x != y; x >>= 1, y >>= 1)
{
if(x & 1)
{
ord[x + m].push_back(i);
ord[i].push_back(x + 2 * n + m);
++x;
}
if(y & 1)
{
--y;
ord[y + m].push_back(i);
ord[i].push_back(y + 2 * n + m);
}
}
}
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int T; cin >> T;
while(T--)
{
cin >> n;
for(int i = 0; i < n; ++i) gph[i].clear(), par[i] = in[i] = out[i] = dep[i] = sub[i] = up[i] = 0, st[i] = ed[i] = -1;
cnt = 0;
for(int i = 1; i < n; ++i)
{
int x, y; cin >> x >> y; --x; --y;
gph[x].push_back(y);
gph[y].push_back(x);
}
dfs(0, 0, 0);
dfs2(0, 0);
cin >> m;
for(int i = 0; i < m + 4 * n; ++i) ord[i].clear(), sz[i] = 0;
pii qry[m];
for(auto &[x, y] : qry) cin >> x >> y, --x, --y;
for(int i = 0; i < m; ++i) st[in[qry[i].ff]] = i, ed[in[qry[i].ss]] = i;
init();
for(int i = 0; i < m; ++i)
{
auto [x, y] = qry[i];
if(st[in[y]] != -1) ord[st[in[y]]].push_back(i);
if(ed[in[x]] != -1) ord[i].push_back(ed[in[x]]);
int xx = 0, yy = 0;
while(up[x] != up[y])
{
if(in[x] < in[y]) swap(x, y), swap(xx, yy);
upd(in[up[x]], in[x] + xx, i);
xx = 1;
x = par[up[x]];
}
if(in[x] > in[y]) swap(x, y), swap(xx, yy);
upd(in[x] + 1 - xx, in[y] + yy, i);
}
vector<int> V;
for(int i = 0; i < m + 4 * n; ++i) for(auto x : ord[i]) ++sz[x];
for(int i = 0; i < m + 4 * n; ++i) if(!sz[i]) V.push_back(i);
int c = 0;
while(V.size())
{
int x = V.back(); V.pop_back(); ++c;
for(auto y : ord[x]) if(!--sz[y]) V.push_back(y);
}
cout << (c == m + 4 * n ? "Yes" : "No") << '\n';
}
}
