import sys
input = sys.stdin.readline
from collections import *
from bisect import *

N = int(input())
H = list(map(int, input().split()))
T = list(map(int, input().split()))
HTI = [(H[i], T[i], i) for i in range(N)]
HTI.sort()
H = [Hi for Hi, _, _ in HTI]
T = [Ti for _, Ti, _ in HTI]
idx = [-1]*N

for i in range(N):
    idx[HTI[i][2]] = i

to = [0]*(N+1)

for v in range(N):
    to[v+1] = bisect_right(H, T[v])

dp = [[0]*(N+1) for _ in range(30)]

for v in range(1, N+1):
    dp[0][v] = max(dp[0][v-1], to[v])

for i in range(1, 30):
    for v in range(N+1):
        dp[i][v] = dp[i-1][dp[i-1][v]]

Q = int(input())

for _ in range(Q):
    A, B = map(int, input().split())
    A = idx[A-1]+1
    B = idx[B-1]+1
    v = to[A]
    
    if B<=v:
        print(1)
    else:
        now = v
        ans = 2
        
        for i in range(29, -1, -1):
            if dp[i][now]<B:
                ans += 1<<i
                now = dp[i][now]
        
        if ans>N:
            print(-1)
        else:
            print(ans)