import bisect n = int(input()) h = list(map(int,input().split())) t = list(map(int,input().split())) g = [(h[i] << 31) + (1 << 30) - t[i] for i in range(n)] g.sort() hs = [g[i] >> 31 for i in range(n)] ts = [(1 << 30) - (g[i] & ((1 << 31) - 1)) for i in range(n)] dp = [[0] * n for i in range(30)] tmp = 0 for i in range(n): tmp = max(tmp, ts[i]) dp[0][i] = bisect.bisect_right(hs, tmp) - 1 for i in range(29): for j in range(n): if dp[i][j] >= 0: dp[i+1][j] = max(dp[i][j], dp[i][dp[i][j]]) else: dp[i+1][j] = -1 #print(dp) q = int(input()) for i in range(q): a, b = map(int,input().split()) a -= 1 b -= 1 f = 1 r = bisect.bisect_right(hs, t[a]) - 1 if r == -1: print(-1) continue if hs[r] >= h[b]: print(1) continue for j in range(29,-1,-1): if dp[j][r] >= 0 and hs[dp[j][r]] < h[b]: f += 2 ** j r = dp[j][r] if f >= n + 1: print(-1) else: print(f + 1)