#include <bits/stdc++.h>

using namespace std;
using ll = long long;

struct SegmentTree {
    SegmentTree *left = nullptr, *right = nullptr;
    int sum = 0, lx = 0, rx = 0;

    SegmentTree(int l, int r) {
        sum = 0, lx = l, rx = r;
    }

    void modify(int i, int d) {
        sum += d;

        if (lx + 1 == rx) {
            return;
        }

        int mid = lx + rx >> 1;
        if (i < mid) {
            if (!left) {
                left = new SegmentTree(lx, mid);
            }
            left->modify(i, d);
        } else {
            if (!right) {
                right = new SegmentTree(mid, rx);
            }
            right->modify(i, d);
        }
    }

    int rangeSum(int l, int r) {
        if (l >= r || lx >= r || l >= rx) {
            return 0;
        }
        if (l <= lx && rx <= r) {
            return sum;
        }
        return (left ? left->rangeSum(l, r) : 0) + (right ? right->rangeSum(l, r) : 0);
    }
};

constexpr int N = 2e5 + 1;

vector<int> adj[N], subVertices[N], dying[N];
vector<pair<int, int>> subQueries[N], born[N]; //id, 0/1
SegmentTree *V[N], *A[N], *D[N];
set<int> mda[N];


int path[N][2], type[N];
ll answer[N];
int deadDepth[N], dist[N], LCA[N];

int depth[N], jump[N], tin[N], tout[N], parent[N], n, fa[N];

int isp(int x, int y) {
    return tin[x] <= tin[y] && tout[x] >= tout[y];
}

int leader(int x) {
    while (x != fa[x]) {
        x = fa[x] = fa[fa[x]];
    }
    return x;
}

void dfsInit(int v) {
    static int T = 0;
    tin[v] = T++;

    for (int to : adj[v]) {
        adj[to].erase(find(adj[to].begin(), adj[to].end(), v));
        depth[to] = depth[v] + 1;
        parent[to] = v;

        int p = jump[v], pp = jump[p];
        if (depth[pp] - depth[p] == depth[p] - depth[v]) {
            jump[to] = pp;
        } else {
            jump[to] = v;
        }

        dfsInit(to);
    }

    tout[v] = T;
}

int lca(int x, int y) {
    while (!isp(x, y)) {
        if (!isp(jump[x], y)) {
            x = jump[x];
        } else {
            x = parent[x];
        }
    }
    return x;
}

void dfs(int v) {
    for (int &to : adj[v]) {
        dfs(to);
        if (subQueries[to].size() + subVertices[to].size() > subQueries[adj[v][0]].size() + subVertices[adj[v][0]].size()) {
            swap(adj[v][0], to);
        }
    }

    if (!adj[v].empty()) {
        int x = adj[v][0];
        swap(V[v], V[x]), swap(A[v], A[x]), swap(D[v], D[x]);
        swap(subQueries[v], subQueries[x]), swap(subVertices[x], subVertices[x]);
        swap(mda[v], mda[x]);
        fa[x] = v;
    } else {
        V[v] = new SegmentTree(0, n);
        A[v] = new SegmentTree(0, n);
        D[v] = new SegmentTree(-n, n);
    }

    auto insertVertex = [&](int u) {
        A[v]->modify(depth[u] - depth[v], 1);
        D[v]->modify(depth[v] - (depth[u] - depth[v]), 1);
        V[v]->modify(depth[u], 1);
        subVertices[v].push_back(u);
    };

    insertVertex(v);

    for (int i = 1; i < adj[v].size(); ++i) {
        int to = adj[v][i];

        for (int u : subVertices[to]) {
            A[v]->modify(depth[u] - depth[v], 1);
            D[v]->modify(depth[v] - (depth[u] - depth[v]), 1);
        }

        for (auto [j, t] : subQueries[to]) {
            if (type[j] == 0) {
                if (mda[v].count(j)) {
                    //already added his friend
                    continue;
                }
                //alive
                answer[j] += A[to]->rangeSum(0, dist[j] + 1);
                answer[j] += V[v]->rangeSum(depth[v], depth[v] + dist[j] + 1);
                answer[j] -= A[v]->rangeSum(0, dist[j] + 1);
            } else {
                //dead
                answer[j] += D[to]->rangeSum(deadDepth[j], n);
                answer[j] += V[v]->rangeSum(depth[v], depth[v] + (dist[j] - (depth[LCA[j]] - depth[v])) + 1);
                answer[j] -= D[v]->rangeSum(deadDepth[j], n);
            }
        }

        for (int u : subVertices[to]) {
            subVertices[v].push_back(u);
            V[v]->modify(depth[u], 1);
        }
        for (int j : mda[to]) {
            mda[v].insert(j);
        }
        mda[to].clear();

        fa[to] = v;
        subQueries[v].insert(subQueries[v].end(), subQueries[to].begin(), subQueries[to].end());
        subQueries[to].clear(), subVertices[to].clear();
    }

    for (auto [j, t] : born[v]) {
        //alive
        answer[j] += V[v]->rangeSum(depth[v], depth[v] + dist[j] + 1);
        answer[j] -= A[v]->rangeSum(0, dist[j] + 1);
        mda[v].insert(j);
    }

    subQueries[v].insert(subQueries[v].end(), born[v].begin(), born[v].end());

    for (int j : dying[v]) {
        answer[j] += A[v]->rangeSum(0, dist[j] + 1);
        answer[j] -= D[v]->rangeSum(deadDepth[j], n);
        type[j] = 1;
    }
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    iota(fa, fa + N, 0);

    cin >> n;

    for (int i = 1; i < n; ++i) {
        int a, b;
        cin >> a >> b;
        a -= 1, b -= 1;
        adj[a].push_back(b);
        adj[b].push_back(a);
    }

    dfsInit(0);

    int q;
    cin >> q;

    for (int i = 0; i < q; ++i) {
        cin >> path[i][0] >> path[i][1] >> dist[i];
        path[i][0] -= 1, path[i][1] -= 1;

        LCA[i] = lca(path[i][0], path[i][1]);
        deadDepth[i] = depth[LCA[i]] - dist[i];

        if (isp(path[i][1], path[i][0])) {
            swap(path[i][1], path[i][0]);
        }

        born[path[i][1]].emplace_back(i, 1);

        if (!isp(path[i][0], path[i][1])) {
            born[path[i][0]].emplace_back(i, 0);
        }

        dying[LCA[i]].push_back(i);

//        cout << path[i][0] << " " << path[i][1] << " " << LCA[i] << " " << deadDepth[i] << endl;
    }

    dfs(0);

    for (auto [j, t] : subQueries[0]) {
        if (type[j] == 0) {
            answer[j] += A[0]->rangeSum(0, dist[j] + 1);
        } else {
            answer[j] += D[0]->rangeSum(deadDepth[j], n);
        }
    }

    for (int i = 0; i < q; ++i) {
        cout << answer[i] << '\n';
    }

    return 0;
}