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

bool isKadomatsu(long long x, long long y, long long z) {
	if (x == y || y == z || x == z) return false;
	if (x > y && y < z) return true;
	if (x < y && y > z) return true;
	return false;
}

int n;
int a[101010];
vector<int> g[101010];

int parent[24][101010];
int depth[101010];
bool kado[24][101010];

void dfs(int curr, int prev) {
	parent[0][curr] = prev;
	kado[0][curr] = true;
	if (prev != -1 && parent[0][prev] != -1) {
		int p = prev;
		int pp = parent[0][prev];
		kado[0][curr] = isKadomatsu(a[curr], a[p], a[pp]);
	}

	for (int next : g[curr]) if (next != prev) {
		depth[next] = depth[curr] + 1;
		dfs(next, curr);
	}
}

void build() {
	dfs(0, -1);

	for (int i = 0; i < 23; i++) {
		for (int j = 0; j < n; j++) {
			if (parent[i][j] != -1) {
				parent[i + 1][j] = parent[i][parent[i][j]];
				kado[i + 1][j] = kado[i][j] && kado[i][parent[i][j]];
			} else {
				parent[i + 1][j] = -1;
				kado[i + 1][j] = kado[i][j];
			}
		}
	}
}

int ancestor(int u, int k) {
	for (int i = 0; i < 24; i++) if (k & 1 << i) u = parent[i][u];
	return u;
}

int lca(int u, int v) {
	if (depth[u] < depth[v]) swap(u, v);
	for (int i = 23; i >= 0; i--) {
		if (depth[u] - depth[v] >= 1 << i) {
			u = parent[i][u];
		}
	}
	if (u == v) return u;
	for (int i = 23; i >= 0; i--) {
		if (parent[i][u] != parent[i][v]) {
			u = parent[i][u];
			v = parent[i][v];
		}
	}
	return parent[0][u];
}

int query(int u, int d) {
	if (d < 0) return true;
	bool result = true;
	for (int i = 0; i < 24; i++) if (d & 1 << i) {
		result &= kado[i][u];
		u = parent[i][u];
		result &= kado[0][u];
	}
	return result;
}

int main() {
	cin >> n;

	for (int i = 0; i < n; i++) scanf("%d", &a[i]);

	for (int i = 0; i < n - 1; i++) {
		int x, y; 
		scanf("%d %d", &x, &y);
		x--;
		y--;
		g[x].push_back(y);
		g[y].push_back(x);
	}

	build();

	int q;
	cin >> q;
	for (int i = 0; i < q; i++) {
		int u, v;
		scanf("%d %d", &u, &v);
		u--;
		v--;

		int l = lca(u, v);

		bool ans = true;
		if (parent[0][u] == v || parent[0][v] == u) {
			ans = false;
		} else if (l != u && l != v) {
			int p = ancestor(u, depth[u] - depth[l] - 1);
			int q = ancestor(v, depth[v] - depth[l] - 1);
			ans &= isKadomatsu(a[p], a[l], a[q]);
			ans &= isKadomatsu(a[parent[0][u]], a[u], a[v]);
			ans &= isKadomatsu(a[parent[0][v]], a[v], a[u]);
			ans &= query(u, depth[u] - depth[l] - 2);
			ans &= query(v, depth[v] - depth[l] - 2);
		} else {
			if (l == v) swap(u, v);
			int q = ancestor(v, depth[v] - depth[l] - 1);
			ans &= query(v, depth[v] - depth[u] - 2);
			ans &= isKadomatsu(a[q], a[u], a[v]);
			ans &= isKadomatsu(a[parent[0][v]], a[v], a[u]);
		}

		printf("%s\n", ans ? "YES" : "NO");
	}
}