#include <bits/stdc++.h>
using namespace std;
#define int long long
const int N=2e5+5;
namespace tr{
    struct node{
        int lson,rson,sm;
    }p[N*20];
    void upset(int x){
        p[x].sm=p[p[x].lson].sm+p[p[x].rson].sm;
    }
    int idx;
    void add(int x,int y,int d,int sm,int nl=0,int nr=2e5){
        if(nl==nr){
            p[y].sm=p[x].sm+sm;
            return;
        }
        int mid=nl+nr>>1;
        if(d<=mid){
            p[y].lson=++idx;p[y].rson=p[x].rson;
            add(p[x].lson,idx,d,sm,nl,mid);
        }else{
            p[y].rson=++idx;p[y].lson=p[x].lson;
            add(p[x].rson,idx,d,sm,mid+1,nr);
        }
        upset(y);
    }
    int gets(int x,int l,int r,int nl=0,int nr=2e5){
        if(!x)return 0;
        if(l<=nl&&r>=nr)return p[x].sm;
        int mid=nl+nr>>1;
        if(r<=mid)return gets(p[x].lson,l,r,nl,mid);
        if(l>mid)return gets(p[x].rson,l,r,mid+1,nr);
        return gets(p[x].lson,l,r,nl,mid)+gets(p[x].rson,l,r,mid+1,nr);
    }
}
int idx,gn[N],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,MX,jl[N],dfn[N],eds[N],dy[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;dfn[x]=++idx;dy[idx]=x;
    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);
    }
    eds[x]=idx;
}
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){
    MX=max(MX,dep[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;
        dep[c]=dep[x]+1;
        dfs3(c);
        siz[x]+=siz[c];
    }
    mk[x]=0;
}
void dfs4(int x,int y){
    mk[x]=1;zx[x]=0;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]=max(zx[x],siz[c]);
    }
    zx[x]=max(zx[x],y-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[min(c.first-dep[x],MX)]-jl[min(c.first-dep[x],mx)];
    }
    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){
    bk[x]=1;MX=0;
    dep[x]=0;
    dfs3(x);
    if(siz[x]==1){
        for(int i=0;i<g[x].size();i++)rs[g[x][i].second]++;
        sm[0]=0;
        return;
    }
    for(int i=1;i<=MX;i++)sm[i]+=sm[i-1];
    for(int i=0;i<g[x].size();i++)rs[g[x][i].second]+=sm[min(g[x][i].first,MX)];
    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);
        for(int j=1;j<=mx;j++)jl[j]+=jl[j-1];
        dfs6(c);
        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);
    }
}
int gets(int x,int l,int r){
    return tr::gets(gn[eds[x]],dep[x]+l,dep[x]+r)-tr::gets(gn[dfn[x]-1],dep[x]+l,dep[x]+r);
}
int solve(int x,int k){
    int res=0;
    while(x){
        res+=gets(x,k,k);
        x=fa[x];
    }
    return res;
}
signed main(){
   // freopen("in.txt","r",stdin);
   // freopen("out.txt","w",stdout);
    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);
    for(int i=1;i<=n;i++){
        gn[i]=++tr::idx;
        tr::add(gn[i-1],gn[i],dep[dy[i]],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});
        rs[i]=solve(x,k)+solve(y,k)-solve(c,k)*2;
    }
    memset(mk,0,sizeof(mk));
    solve(1);
    for(int i=1;i<=m;i++)cout<<rs[i]<<"\n";
}