n = int(input())
H = list(map(int, input().split()))
T = list(map(int, input().split()))
X = H + T
X = sorted(set(X))
dic = {X[i]: i for i in range(len(X))}
H = [dic[h] for h in H]
T = [dic[t] for t in T]
le = len(X)

m = 20
nex = [[i for i in range(le)] for _ in range(m)]
for h, t in zip(H, T):
    nex[0][h] = max(nex[0][h], t)

for i in range(1, le):
    nex[0][i] = max(nex[0][i], nex[0][i - 1])

for i in range(1, m):
    for j in range(le):
        nex[i][j] = nex[i - 1][nex[i - 1][j]]

Q = int(input())
for _ in range(Q):
    a, b = map(int, input().split())
    a -= 1
    b -= 1
    if T[a] >= H[b]:
        print(1)
        continue
    ans = 1
    t = T[a]
    for i in range(m - 1, -1, -1):
        nt = nex[i][t]
        if nt < H[b]:
            t = nt
            ans += 1 << i
    ans += 1
    nt = nex[0][t]

    if nt >= H[b]:
        print(ans)
    else:
        print(-1)