#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
vector<vector<pair<int,int>>> g;
vector<int> vis;
int N;
int dfs(int c,int ml,int last){
    if(c == last){
        return ml;
    }
    int ans=-1;
    vis[c] = true;
    for(auto next : g[c]){
        if(vis[next.first]){
            continue;
        }
        ans = dfs(next.first,max(ml,next.second), last);
        if(ans != -1){
            break;
        }
    }
    return ans;
}

void dfs2(int c, int ml){
    vis[c] = true;
    for(auto next : g[c]){
        if(vis[next.first]){
            continue;
        }
        if(next.second<=ml){
            dfs2(next.first, ml);
        }
    }
}

int solve(){
    int x,y;
    cin >> x >> y;
    if(x == 1){
        int ans=0;
        for(int i=0;i<N;i++){
            if(vis[i] = true){
                ans++;
            }
            vis[i] = false;
        }
        return ans;
    }else{
        ll ans = dfs(0,1,y-1);
        for(int i=0;i<N;i++){
            vis[i] = false;
        }
        return ans;   
    }
}

int main(){
    cin >> N;
    vis.resize(N);
    g.resize(N);
    for(int i=1;i<N;i++){
        int L,A;
        cin >> L >> A;
        A--;
        g[A].push_back({i,L});
        g[i].push_back({A,L});
    }
    int Q;
    cin >> Q;
    for(int i=0;i<Q;i++){
        int ans = solve();
        cout << ans << endl;
    }
}