#include <bits/stdc++.h>
using namespace std;

int main() {
    int n;
    cin >> n;
    vector<int> h(n), t(n);
    for (int i = 0; i < n; i++) {
        cin >> h.at(i);
    }
    for (int i = 0; i < n; i++) {
        cin >> t.at(i);
    }
    int q;
    cin >> q;
    vector<int> a(q), b(q);
    for (int i = 0; i < q; i++) {
        cin >> a.at(i) >> b.at(i);
        a.at(i)--;
        b.at(i)--;
    }

    auto h_copy = h;
    sort(h_copy.begin(), h_copy.end());
    h_copy.erase(unique(h_copy.begin(), h_copy.end()), h_copy.end());
    for (int i = 0; i < n; i++) {
        h.at(i) =
            upper_bound(h_copy.begin(), h_copy.end(), h.at(i)) - h_copy.begin();
        t.at(i) =
            upper_bound(h_copy.begin(), h_copy.end(), t.at(i)) - h_copy.begin();
    }

    const int m = h_copy.size();
    constexpr int l = 20;
    vector<vector<int>> highest(l, vector<int>(m + 1, 0));
    for (int i = 0; i < n; i++) {
        highest.at(0).at(h.at(i)) = max(highest.at(0).at(h.at(i)), t.at(i));
    }
    for (int i = 0; i < m; i++) {
        highest.at(0).at(i + 1) =
            max(highest.at(0).at(i + 1), highest.at(0).at(i));
    }
    for (int i = 0; i < l - 1; i++) {
        for (int j = 0; j <= m; j++) {
            highest.at(i + 1).at(j) = highest.at(i).at(highest.at(i).at(j));
        }
    }

    for (int i = 0; i < q; i++) {
        const int ta = t.at(a.at(i)), hb = h.at(b.at(i));
        assert(ta >= 0 and hb > 0);
        if (highest.back().at(ta) < hb) {
            puts("-1");
            continue;
        }
        if (ta >= hb) {
            puts("1");
            continue;
        }
        int ans = 2, x = ta;
        while (highest.at(0).at(x) < hb) {
            int k = 0;
            while (highest.at(k).at(x) < hb) {
                k++;
            }
            k--;
            x = highest.at(k).at(x);
            ans += 1 << k;
        }
        cout << ans << "\n";
    }

    return 0;
}