#include <bits/stdc++.h>
using namespace std;
using ll=long long;
using ull=unsigned long long;
using pll=pair<ll,ll>;
using tll=tuple<ll,ll,ll>;
using ld=long double;
const ll INF=(1ll<<60);
#define rep(i,n) for (ll i=0;i<(ll)(n);i++)
#define replr(i,l,r) for (ll i=(ll)(l);i<(ll)(r);i++)
#define all(v) v.begin(),v.end()
#define len(v) ((ll)v.size())
template<class T> inline bool chmin(T &a,T b){
    if(a>b){
        a=b;
        return true;
    }
    return false;
}
template<class T> inline bool chmax(T &a,T b){
    if(a<b){
        a=b;
        return true;
    }
    return false;
}
int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    ll n;
    cin >> n;
    vector<vector<ll>> g(n);
    vector<ll> p(n,-1);
    replr(i,1,n){
        cin >> p[i];
        p[i]--;
        g[i].push_back(p[i]);
        g[p[i]].push_back(i);
    }
    string s(n,'x');
    replr(i,1,n) cin >> s[i];
    ll q;
    cin >> q;
    vector<ll> u(q),v(q);
    rep(i,q){
        cin >> u[i] >> v[i];
        u[i]--;
        v[i]--;
    }
    rep(i,n){
        if(3<=len(g[i])) assert(0);
    }
}