//Author: Kevin
#include<bits/stdc++.h>
//#pragma GCC optimize("O2")
using namespace std;
#define ll long long
#define ull unsigned ll
#define pb emplace_back
#define mp make_pair
#define ALL(x) (x).begin(),(x).end()
#define rALL(x) (x).rbegin(),(x).rend()
#define srt(x) sort(ALL(x))
#define rev(x) reverse(ALL(x))
#define rsrt(x) sort(rALL(x))
#define sz(x) (int)(x.size())
#define inf 0x3f3f3f3f
#define pii pair<int,int>
#define lb(v,x) (int)(lower_bound(ALL(v),x)-v.begin())
#define ub(v,x) (int)(upper_bound(ALL(v),x)-v.begin())
#define uni(v) v.resize(unique(ALL(v))-v.begin())
#define longer __int128_t
void die(string S){puts(S.c_str());exit(0);}
vector<int> G[1001000];
int n;
ll a[1001000];
int depth[1001000];
int anc[20][1001000];
int mx[20][1001000];
int dfn[1001000],son[1001000],siz[1001000],tp[1001000],tot;
void dfs1(int u,int fa)
{
	siz[u]=1;
	depth[u]=depth[fa]+1;
//	anc[0][u]=fa;
//	mx[0][u]=a[u];
	for(auto v:G[u])
		if(v!=fa)
		{
			dfs1(v,u);
			siz[u]+=siz[v];
			if(siz[v]>siz[son[u]])
				son[u]=v;
		}
}
void dfs2(int u,int fa)
{
	if(!tp[u]) tp[u]=u;
	dfn[u]=++tot;
	if(son[u])
	{
		tp[son[u]]=tp[u];
		dfs2(son[u],u);
	}
	for(auto v:G[u])
		if(v!=son[u]&&v!=fa)
			dfs2(v,u);
}
ll b[1001000];
int range_max(int l,int r)
{
	int x=__lg(r-l+1);
	return (b[mx[x][l]]>b[mx[x][r-(1<<x)+1]])?mx[x][l]:mx[x][r-(1<<x)+1];
}
struct _comp_{const bool operator ()(const array<int,3> &a,const array<int,3> &b){return ::b[a[0]]>::b[b[0]];}};
#define count _count
int cnt[1001000],count;
int trans[1001000][2];
int main()
{
	ios_base::sync_with_stdio(false);
	cin.tie(0);
	cout.tie(0);
	cin>>n;
	for(int i=1;i<n;i++)
	{
		int u,v;
		cin>>u>>v;
		G[u].pb(v);
		G[v].pb(u);
	}
	for(int i=1;i<=n;i++)
		cin>>a[i];
	dfs1(1,0);
	dfs2(1,0);
	for(int i=1;i<=n;i++)
		b[dfn[i]]=a[i];
	for(int i=1;i<=n;i++)
		mx[0][i]=i;
	for(int i=1;i<20;i++)
		for(int j=1;j<=n;j++)
			if(j+(1<<(i-1))<=n)
				mx[i][j]=(b[mx[i-1][j]]>b[mx[i-1][j+(1<<(i-1))]])?mx[i-1][j]:mx[i-1][j+(1<<(i-1))];
			else
				mx[i][j]=mx[i-1][j];
	int q;
	cin>>q;
	ll lstans=0;
	while(q--)
	{
		int u,v,m;
		ll a,b;
		cin>>a>>b>>m;
		u=(a^lstans)%n+1;
		v=(b^lstans)%n+1;
		priority_queue<array<int,3>,vector<array<int,3>>,_comp_> pq;
		while(tp[u]!=tp[v])
		{
			if(depth[tp[u]]<depth[tp[v]]) swap(u,v);
			pq.push({range_max(dfn[tp[u]],dfn[u]),dfn[tp[u]],dfn[u]});
			u=anc[0][tp[u]];
		}
		if(dfn[u]>dfn[v]) swap(u,v);
		pq.push({range_max(dfn[u],dfn[v]),dfn[u],dfn[v]});
		vector<ll> vec;
		while(sz(vec)<m*64&&!pq.empty())
		{
			array<int,3> arr=pq.top();
			pq.pop();
			vec.pb(::b[arr[0]]);
			if(arr[0]!=arr[1])
				pq.push({range_max(arr[1],arr[0]-1),arr[1],arr[0]-1});
			if(arr[0]!=arr[2])
				pq.push({range_max(arr[0]+1,arr[2]),arr[0]+1,arr[2]});
		}
		count=1;
		for(auto val:vec)
		{
			int cur=1;
			cnt[cur]++;
			for(int i=61;i>=0;i--)
			{
				int c=val>>i&1;
				if(!trans[cur][c]) trans[cur][c]=++count;
				cur=trans[cur][c];
				cnt[cur]++;
			}
		}
		vector<int> cn;
		ll ans=0;
		cn.pb(1);
		for(int i=61;i>=0;i--)
		{
			int sum=0;
			for(auto nd:cn)
				sum+=cnt[trans[nd][1]];
			vector<int> ncn;
			for(auto nd:cn)
				if(trans[nd][1])
					ncn.pb(trans[nd][1]);
			if(sum<m)
			{
				for(auto nd:cn)
					if(trans[nd][0])
						ncn.pb(trans[nd][0]);
			}
			else
				ans|=(1ll<<i);
			swap(cn,ncn);
		}
		for(int i=1;i<=count;i++)
			cnt[i]=trans[i][0]=trans[i][1]=0;
		cout<<(lstans=ans)<<'\n';
	}
	return 0;
}