import sys input = sys.stdin.readline N = int(input()) H = list(map(int, input().split())) T = list(map(int, input().split())) HT = [] for i in range(N): HT.append((-T[i], H[i], i)) HT.sort() M = 18 dp = [[-1] * N for i in range(M)] from bisect import * from collections import * inf = 10 ** 18 minv = defaultdict(lambda : inf) L = [-inf] for t, h, i in HT: h = -h ind = bisect_left(L, t) if ind != len(L): dp[0][i] = minv[L[ind]] if h > L[-1]: L.append(h) minv[h] = i for i in range(1, M): for j in range(N): if dp[i-1][j] == -1: continue dp[i][j] = dp[i-1][dp[i-1][j]] Q = int(input()) for _ in range(Q): A, B = map(int, input().split()) A, B = A - 1, B - 1 if H[B] <= T[A]: print(1) continue now = A ans = 1 for i in range(M-1, -1, -1): nex = dp[i][now] if nex == -1: continue if T[nex] < H[B]: ans += 1 << i now = nex now = dp[0][now] if now == -1: print(-1) elif T[now] >= H[B]: print(ans + 1) else: print(-1)