#include<bits/stdc++.h>
using namespace std;
typedef pair<int, int> pii;
#define F first
#define S second
#define tm lkjsdaf
const int MAXN = 1e5 + 10;
const int LOG = 17;
int n, q;
vector<pii> adj[MAXN];
int cntEdge[MAXN][2], cntVertices;
int par[LOG][MAXN], parColor[MAXN], sub[MAXN], depth[MAXN];
bool cmpEdges(pii e1, pii e2){return sub[e1.F] > sub[e2.F];}
//------------HLD Prep
int heavyPar[MAXN], heavyChild[MAXN];
int dfsInitHld(int v, int p = -1, int pc = -1){
par[0][v] = p, parColor[v] = pc;
depth[v] = (p==-1? 0: depth[p]+1);
if (~p)
adj[v].erase(find(adj[v].begin(), adj[v].end(), make_pair(p, pc)));
sub[v] = 1;
for (auto e:adj[v])
sub[v] += dfsInitHld(e.F, v, e.S);
sort(adj[v].begin(), adj[v].end(), cmpEdges);
return sub[v];
}
int hldRoot[MAXN], st[MAXN], ft[MAXN], tm, ord[MAXN];
void dfsBuildHld(int v, int rt = -1){
heavyPar[v] = heavyChild[v] = -1;
ord[tm] = v;
st[v] = tm++;
if (rt == -1)
rt = v;
else
heavyPar[v] = par[0][v], cntEdge[v][parColor[v]]--;
hldRoot[v] = rt;
for (auto e:adj[v]) {
if (rt != -1) {
heavyChild[v] = e.F;
cntEdge[v][parColor[e.F]]--;
}
dfsBuildHld(e.F, rt);
rt = -1;
}
ft[v] = tm;
}
//------------LCA
void preLca(){
for (int w = 1; w < LOG; w++)
for (int v = 0; v < n; v++)
if (par[w-1][v] == -1)
par[w][v] = -1;
else
par[w][v] = par[w-1][par[w-1][v]];
}
int lca(int u, int v){
if (depth[u] < depth[v])
swap(u, v);
for (int w = LOG-1; ~w; w--)
if (depth[u] - (1<<w) >= depth[v])
u = par[w][u];
if (u == v) return u;
for (int w = LOG-1; ~w; w--)
if (par[w][u] ^ par[w][v])
u = par[w][u], v = par[w][v];
return par[0][u];
}
//-----------Edge Segment
int edgeSeg[MAXN<<2];
int getEdgeColor(int v, int b, int e, int pos, int cur = 0){
cur ^= edgeSeg[v];
if (e - b == 1)
return parColor[ord[pos]]^cur;
int mid = b + e >> 1;
return pos < mid? getEdgeColor(v<<1, b, mid, pos, cur): getEdgeColor(v<<1^1, mid, e, pos, cur);
}
void changeColor(int v, int b, int e, int l, int r){
if (l <= b && e <= r){
edgeSeg[v]^=1;
return;
}
if (r <= b || e <= l) return;
int mid = b + e >> 1;
changeColor(v<<1, b, mid, l, r);
changeColor(v<<1^1, mid, e, l, r);
}
//-------------Main Segment
int tempCol[2][2];
void fillTempCol(int v, int t){
if (~heavyChild[v])
tempCol[t][getEdgeColor(1, 0, n, st[heavyChild[v]])]++;
if (~heavyPar[v])
tempCol[t][getEdgeColor(1, 0, n, st[v])]++;
}
int cnt[3][MAXN<<2], lz[MAXN<<2];
int getGoodVertices(int v, int b, int e, int l, int r){
if (l <= b && e <= r) return cnt[1][v] + cnt[2][v];
if (r <= b || e <= l) return 0;
int mid = b + e >> 1;
return getGoodVertices(v<<1, b, mid, l, r) + getGoodVertices(v<<1^1, mid, e, l, r);
}
void pushDown(int v){
if (!lz[v]) return;
for (int i = 0; i < 2; i++){
lz[v<<1^i] ^= 1;
swap(cnt[0][v<<1^i], cnt[1][v<<1^i]);
}
lz[v] = 0;
}
void merge(int v){
for (int w = 0; w < 3; w++)
cnt[w][v] = cnt[w][v<<1] + cnt[w][v<<1^1];
}
void flip(int v, int b, int e, int l, int r){
if (l <= b && e <= r){
lz[v]^=1;
swap(cnt[0][v], cnt[1][v]);
return;
}
if (r <= b || e <= l) return;
int mid = b + e >> 1;
pushDown(v);
flip(v<<1, b, mid, l, r);
flip(v<<1^1, mid, e, l, r);
merge(v);
}
void setPos(int v, int u, int z = -1){
for (int w = 0; w < 3; w++)
cnt[w][v] = 0;
if (cntEdge[u][0] > 0 && cntEdge[u][1] > 0) return;
if (z == -1){
memset(tempCol, 0, sizeof(tempCol));
fillTempCol(u, 0);
z = 0;
}
if (tempCol[0][0] > 0 && tempCol[0][1] > 0) return;
if (cntEdge[u][0] + cntEdge[u][1] == 0 || tempCol[0][0] + tempCol[0][1] == 0)
cnt[2][v] = 1;
else if ((cntEdge[u][0] > 0 && tempCol[0][0] > 0) || (cntEdge[u][1] > 0 && tempCol[0][1] > 0))
cnt[1][v] = 1;
else
cnt[0][v] = 1;
}
void updatePos(int v, int b, int e, int pos, int z = -1){
if (e - b == 1){
setPos(v, ord[b], z);
return;
}
int mid = b + e >> 1;
pushDown(v);
if (pos < mid)
updatePos(v<<1, b, mid, pos);
else
updatePos(v<<1^1, mid, e, pos);
merge(v);
}
void plantMainSeg(int v, int b, int e){
lz[v] = 0;
if (e - b == 1){
setPos(v, ord[b]);
return;
}
int mid = b + e >> 1;
plantMainSeg(v<<1, b, mid);
plantMainSeg(v<<1^1, mid, e);
merge(v);
}
//-------------Handling Query
void dealWithHeavyPath(int v, int p){
if (v == p) return;
memset(tempCol, 0, sizeof(tempCol));
fillTempCol(v, 0);
fillTempCol(p, 1);
if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices--;
if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices--;
changeColor(1, 0, n, st[p]+1, st[v]+1);
memset(tempCol, 0, sizeof(tempCol));
fillTempCol(v, 0);
fillTempCol(p, 1);
if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices++;
if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices++;
if (hldRoot[v] != v && adj[v].size())
updatePos(1, 0, n, st[v], 0);
if (hldRoot[p] != p)
updatePos(1, 0, n, st[p], 1);
if (depth[v]-1 > depth[p]){//There's a real path to deal with
cntVertices -= getGoodVertices(1, 0, n, st[p]+1, st[v]);
flip(1, 0, n, st[p]+1, st[v]);
cntVertices += getGoodVertices(1, 0, n, st[p]+1, st[v]);
}
}
void dealWithLightEdge(int v){
int p = par[0][v];
memset(tempCol, 0, sizeof(tempCol));
fillTempCol(v, 0);
fillTempCol(p, 1);
if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices--;
if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices--;
cntEdge[v][parColor[v]]--;
cntEdge[p][parColor[v]]--;
parColor[v] ^= 1;
cntEdge[v][parColor[v]]++;
cntEdge[p][parColor[v]]++;
if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices++;
if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices++;
//updatePos(1, 0, n, st[v], 0);
if (hldRoot[p] != p)
updatePos(1, 0, n, st[p], 1);
}
void dealWith(int v, int p){
if (v == p) return;
while (depth[v] > depth[p]){
int rt = hldRoot[v];
if (depth[rt] < depth[p]) rt = p;
dealWithHeavyPath(v, rt);
v = rt;
if (v == p) break;
dealWithLightEdge(v);
v = par[0][v];
}
}
void debug(int v, int b, int e){
cout << v << " " << b << " " << e << " ";
for (int w = 0; w < 3; w++)
cout << cnt[w][v] << " ";
cout << lz[v] << " ";
cout << endl;
if (e - b == 1) return;
int mid = b + e >> 1;
pushDown(v);
debug(v<<1, b, mid);
debug(v<<1^1, mid, e);
}
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int te; cin >> te;
while (te--){
cin >> n;
for (int i = 0; i < n; i++) adj[i].clear();
for (int i = 0; i < n-1; i++){
int a, b, c; cin >> a >> b >> c, a--, b--;
adj[a].push_back({b, c});
adj[b].push_back({a, c});
}
cntVertices = 0;
for (int v = 0; v < n; v++){
cntEdge[v][0] = cntEdge[v][1] = 0;
for (auto e:adj[v])
cntEdge[v][e.S]++;
cntVertices += int(cntEdge[v][0]==0 || cntEdge[v][1]==0);
}
dfsInitHld(0);
preLca();
tm = 0;
dfsBuildHld(0);
fill(edgeSeg, edgeSeg + 4*(n+2), 0);
plantMainSeg(1, 0, n);
int q; cin >> q;
while (q--){
int u, v; cin >> u >> v, u--, v--;
int p = lca(u, v);
// debug(1, 0, n);
dealWith(u, p);
dealWith(v, p);
cout << 1 + (n - cntVertices) << "\n";
}
}
return 0;
}
#include<bits/stdc++.h>

using namespace std;

typedef pair<int, int> pii;

#define F first
#define S second
#define tm lkjsdaf

const int MAXN = 1e5 + 10;
const int LOG = 17;

int n, q;
vector<pii> adj[MAXN];
int cntEdge[MAXN][2], cntVertices;

int par[LOG][MAXN], parColor[MAXN], sub[MAXN], depth[MAXN];
bool cmpEdges(pii e1, pii e2){return sub[e1.F] > sub[e2.F];}

//------------HLD Prep

int heavyPar[MAXN], heavyChild[MAXN];
int dfsInitHld(int v, int p = -1, int pc = -1){
	par[0][v] = p, parColor[v] = pc;
	depth[v] = (p==-1? 0: depth[p]+1);
	if (~p)
		adj[v].erase(find(adj[v].begin(), adj[v].end(), make_pair(p, pc)));

	sub[v] = 1;
	for (auto e:adj[v])
		sub[v] += dfsInitHld(e.F, v, e.S);

	sort(adj[v].begin(), adj[v].end(), cmpEdges);
	return sub[v];
}

int hldRoot[MAXN], st[MAXN], ft[MAXN], tm, ord[MAXN];
void dfsBuildHld(int v, int rt = -1){
	heavyPar[v] = heavyChild[v] = -1;

	ord[tm] = v;
	st[v] = tm++;
	if (rt == -1)
		rt = v;
	else
		heavyPar[v] = par[0][v], cntEdge[v][parColor[v]]--;
	hldRoot[v] = rt;

	for (auto e:adj[v]) {
		if (rt != -1) {
			heavyChild[v] = e.F;
			cntEdge[v][parColor[e.F]]--;
		}
		dfsBuildHld(e.F, rt);
		rt = -1;
	}

	ft[v] = tm;
}



//------------LCA

void preLca(){
	for (int w = 1; w < LOG; w++)
		for (int v = 0; v < n; v++)
			if (par[w-1][v] == -1)
				par[w][v] = -1;
			else
				par[w][v] = par[w-1][par[w-1][v]];
}

int lca(int u, int v){
	if (depth[u] < depth[v]) 
		swap(u, v);
	for (int w = LOG-1; ~w; w--)
		if (depth[u] - (1<<w) >= depth[v])
			u = par[w][u];
	if (u == v) return u;

	for (int w = LOG-1; ~w; w--)
		if (par[w][u] ^ par[w][v])
			u = par[w][u], v = par[w][v];
	return par[0][u];
}



//-----------Edge Segment

int edgeSeg[MAXN<<2];
int getEdgeColor(int v, int b, int e, int pos, int cur = 0){
	cur ^= edgeSeg[v];
	if (e - b == 1)
		return parColor[ord[pos]]^cur;

	int mid = b + e >> 1;
	return pos < mid? getEdgeColor(v<<1, b, mid, pos, cur): getEdgeColor(v<<1^1, mid, e, pos, cur);
}

void changeColor(int v, int b, int e, int l, int r){
	if (l <= b && e <= r){
		edgeSeg[v]^=1;
		return;
	}
	if (r <= b || e <= l) return;

	int mid = b + e >> 1;
	changeColor(v<<1, b, mid, l, r);
	changeColor(v<<1^1, mid, e, l, r);
}


//-------------Main Segment
int tempCol[2][2];
void fillTempCol(int v, int t){
	if (~heavyChild[v])
		tempCol[t][getEdgeColor(1, 0, n, st[heavyChild[v]])]++;
	if (~heavyPar[v])
		tempCol[t][getEdgeColor(1, 0, n, st[v])]++;
}

int cnt[3][MAXN<<2], lz[MAXN<<2];
int getGoodVertices(int v, int b, int e, int l, int r){
	if (l <= b && e <= r) return cnt[1][v] + cnt[2][v];
	if (r <= b || e <= l) return 0;

	int mid = b + e >> 1;
	return getGoodVertices(v<<1, b, mid, l, r) + getGoodVertices(v<<1^1, mid, e, l, r);
}

void pushDown(int v){
	if (!lz[v]) return;

	for (int i = 0; i < 2; i++){
		lz[v<<1^i] ^= 1;
		swap(cnt[0][v<<1^i], cnt[1][v<<1^i]);
	}

	lz[v] = 0;
}

void merge(int v){
	for (int w = 0; w < 3; w++)
		cnt[w][v] = cnt[w][v<<1] + cnt[w][v<<1^1];
}

void flip(int v, int b, int e, int l, int r){
	if (l <= b && e <= r){
		lz[v]^=1;
		swap(cnt[0][v], cnt[1][v]);
		return;
	}
	if (r <= b || e <= l) return;

	int mid = b + e >> 1;
	pushDown(v);
	flip(v<<1, b, mid, l, r);
	flip(v<<1^1, mid, e, l, r);
	merge(v);
}

void setPos(int v, int u, int z = -1){
	for (int w = 0; w < 3; w++)
		cnt[w][v] = 0;
	if (cntEdge[u][0] > 0 && cntEdge[u][1] > 0) return;

	if (z == -1){
		memset(tempCol, 0, sizeof(tempCol));
		fillTempCol(u, 0);
		z = 0;
	}

	if (tempCol[0][0] > 0 && tempCol[0][1] > 0) return;
	if (cntEdge[u][0] + cntEdge[u][1] == 0 || tempCol[0][0] + tempCol[0][1] == 0)
		cnt[2][v] = 1;
	else if ((cntEdge[u][0] > 0 && tempCol[0][0] > 0) || (cntEdge[u][1] > 0 && tempCol[0][1] > 0))
		cnt[1][v] = 1;
	else
		cnt[0][v] = 1;
}

void updatePos(int v, int b, int e, int pos, int z = -1){
	if (e - b == 1){
		setPos(v, ord[b], z);
		return;
	}

	int mid = b + e >> 1;
	pushDown(v);
	if (pos < mid)
		updatePos(v<<1, b, mid, pos);
	else
		updatePos(v<<1^1, mid, e, pos);
	merge(v);
}

void plantMainSeg(int v, int b, int e){
	lz[v] = 0;
	if (e - b == 1){
		setPos(v, ord[b]);
		return;
	}

	int mid = b + e >> 1;
	plantMainSeg(v<<1, b, mid);
	plantMainSeg(v<<1^1, mid, e);
	merge(v);
}

//-------------Handling Query

void dealWithHeavyPath(int v, int p){
	if (v == p) return;

	memset(tempCol, 0, sizeof(tempCol));
	fillTempCol(v, 0);
	fillTempCol(p, 1);
	if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices--;
	if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices--;
	
	changeColor(1, 0, n, st[p]+1, st[v]+1);

	memset(tempCol, 0, sizeof(tempCol));
	fillTempCol(v, 0);
	fillTempCol(p, 1);
	if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices++;
	if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices++;
	if (hldRoot[v] != v && adj[v].size())
		updatePos(1, 0, n, st[v], 0);
	if (hldRoot[p] != p)
		updatePos(1, 0, n, st[p], 1);

	if (depth[v]-1 > depth[p]){//There's a real path to deal with
		cntVertices -= getGoodVertices(1, 0, n, st[p]+1, st[v]);
		flip(1, 0, n, st[p]+1, st[v]);
		cntVertices += getGoodVertices(1, 0, n, st[p]+1, st[v]);
	}
}

void dealWithLightEdge(int v){
	int p = par[0][v];
	memset(tempCol, 0, sizeof(tempCol));
	fillTempCol(v, 0);
	fillTempCol(p, 1);

	if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices--;
	if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices--;

	cntEdge[v][parColor[v]]--;
	cntEdge[p][parColor[v]]--;

	parColor[v] ^= 1;

	cntEdge[v][parColor[v]]++;
	cntEdge[p][parColor[v]]++;
	if (cntEdge[v][0] + tempCol[0][0] == 0 || cntEdge[v][1] + tempCol[0][1] == 0) cntVertices++;
	if (cntEdge[p][0] + tempCol[1][0] == 0 || cntEdge[p][1] + tempCol[1][1] == 0) cntVertices++;
	//updatePos(1, 0, n, st[v], 0);
	if (hldRoot[p] != p)
		updatePos(1, 0, n, st[p], 1);
}

void dealWith(int v, int p){
	if (v == p) return;
	
	while (depth[v] > depth[p]){
		int rt = hldRoot[v];
		if (depth[rt] < depth[p]) rt = p;
		dealWithHeavyPath(v, rt);

		v = rt;
		if (v == p) break;
		dealWithLightEdge(v);
		v = par[0][v];
	}
}

void debug(int v, int b, int e){
	cout << v << "  " << b << " " << e << "      ";
	for (int w = 0; w < 3; w++)
		cout << cnt[w][v] << " ";
	cout << lz[v] << " ";
	cout << endl;

	if (e - b == 1) return;

	int mid = b + e >> 1;
	pushDown(v);
	debug(v<<1, b, mid);
	debug(v<<1^1, mid, e);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int te;	cin >> te;
	while (te--){
		cin >> n;
		for (int i = 0; i < n; i++) adj[i].clear();
		for (int i = 0; i < n-1; i++){
			int a, b, c; cin >> a >> b >> c, a--, b--;
			adj[a].push_back({b, c});
			adj[b].push_back({a, c});
		}
		cntVertices = 0;
		for (int v = 0; v < n; v++){
			cntEdge[v][0] = cntEdge[v][1] = 0;
			for (auto e:adj[v])
				cntEdge[v][e.S]++;
			cntVertices += int(cntEdge[v][0]==0 || cntEdge[v][1]==0);
		}
		dfsInitHld(0);
		preLca();
		tm = 0;
		dfsBuildHld(0);
		fill(edgeSeg, edgeSeg + 4*(n+2), 0);

		plantMainSeg(1, 0, n);

		int q; cin >> q;
		while (q--){
			int u, v; cin >> u >> v, u--, v--;
			int p = lca(u, v);
	//		debug(1, 0, n);
			dealWith(u, p);
			dealWith(v, p);
			cout << 1 + (n - cntVertices) << "\n";
		}
	}
	return 0;
}