import sys from collections import deque, Counter input = lambda: sys.stdin.readline().rstrip() ii = lambda: int(input()) mi = lambda: map(int, input().split()) li = lambda: list(mi()) inf = 2 ** 63 - 1 mod = 998244353 n, m = mi() nowworld = [v - 1 for v in li()] #n人の今いるワールド worldlist = [set() for _ in range(n)] for i in range(n): worldlist[nowworld[i]].add(i) graph = [set() for _ in range(n)] for _ in range(m): u, v = mi() u -= 1; v -= 1 graph[u].add(v) graph[v].add(u) def common(x, y): if len(graph[x]) < len(worldlist[nowworld[y]]): for v in graph[x]: if v in worldlist[nowworld[y]]: return True return False else: for v in worldlist[nowworld[y]]: if v in graph[x]: return True return False for _ in range(ii()): x, y = mi() x -= 1; y -= 1 if nowworld[x] != nowworld[y] and common(x, y): worldlist[nowworld[x]].discard(x) nowworld[x] = nowworld[y] worldlist[nowworld[x]].add(x) print('Yes') else: print('No')