#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N=2e5+5;
int n,m,mk[N],siz[N],zs[N],d[N],fa[N],dep[N],zd[N],cd[N],rs[N],bk[N],rt,zx[N],sm[N],mx,jl[N];
vector<int>p[N];
vector<pair<int,int> >g[N];
void dfs1(int x){
    mk[x]=1;siz[x]=1;
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(mk[c])continue;
        fa[c]=x;
        dep[c]=dep[x]+1;
        dfs1(c);
        if(siz[c]>siz[zs[x]])zs[x]=c;
        siz[x]+=siz[c];
        if(zd[c]+1>zd[x])cd[x]=zd[x],zd[x]=zd[c]+1;
        else if(zd[c]+1>cd[x])cd[x]=zd[c]+1;
    }
    mk[x]=0;
}
void dfs2(int x,int y){
    d[x]=y;mk[x]=1;
    if(zs[x])dfs2(zs[x],y);
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(mk[c])continue;
        dfs2(c,c);
    }
}
int lca(int a,int b){
    while(d[a]!=d[b]){
        if(dep[d[a]]>dep[d[b]])swap(a,b);
        b=fa[d[b]];
    }
    if(dep[a]>dep[b])swap(a,b);
    return a;
}
void dfs3(int x){
    mk[x]=1;siz[x]=1;sm[dep[x]]++;
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(mk[c]||bk[c])continue;
        dfs3(c);
        dep[c]=dep[x]+1;
        siz[x]+=siz[c];
    }
    mk[x]=0;
}
void dfs4(int x,int y){
    mk[x]=1;zx[x]=1e9;siz[x]=1;
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(mk[c]||bk[c])continue;
        dfs4(c,y);
        siz[x]+=siz[c];
        zx[x]=min(zx[x],siz[c]);
    }
    zx[x]=min(zx[x],n-siz[x]);
    mk[x]=0;
    if(!rt||zx[rt]>zx[x])rt=x;
}
void dfs5(int x){
    mk[x]=1;mx=max(mx,dep[x]);jl[dep[x]]++;
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(bk[c]||mk[c])continue;
        dep[c]=dep[x]+1;
        dfs5(c);
    }
    mk[x]=0;
}
void dfs6(int x){
    mk[x]=1;
    for(int i=0;i<g[x].size();i++){
        auto c=g[x][i];
        if(dep[x]>c.first)continue;
        rs[c.second]+=sm[c.first-dep[x]]-jl[c.first-dep[x]];
    }
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(bk[c]||mk[c])continue;
        dfs6(c);
    }
    mk[x]=0;
}
void solve(int x){
    if(siz[x]==1)return;
    bk[x]=1;sm[0]=1;int MX=0;
    dep[x]=0;
    dfs3(x);
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(bk[c])continue;
        dep[c]=1;mx=0;
        dfs5(c);
        dfs6(c);
        MX=max(MX,mx);
        for(int j=0;j<=mx;j++)jl[j]=0;
    }
    for(int i=0;i<=MX;i++)sm[i]=0;
    for(int i=0;i<p[x].size();i++){
        int c=p[x][i];
        if(bk[c])continue;
        rt=0;
        dfs4(c,siz[c]);
        solve(rt);
    }
}
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);cout.tie(0);
    cin>>n;
    for(int i=1;i<n;i++){
        int x,y;
        cin>>x>>y;
        p[x].push_back(y);
        p[y].push_back(x);
    }
    dfs1(1);
    dfs2(1,1);
    cin>>m;
    for(int i=1;i<=m;i++){
        int x,y,k,c;
        cin>>x>>y>>k;
        c=lca(x,y);
        g[c].push_back({k,i});
        if(k==0)rs[i]=dep[x]+dep[y]-2*dep[c]+1;
    }
    memset(mk,0,sizeof(mk));
    solve(1);
    for(int i=1;i<=m;i++)cout<<rs[i]<<"\n";
}