import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes")
no = lambda :print("no");No = lambda :print("No")
#######################################################################

N, A = na()
X = na()
T = ni()
from collections import defaultdict
s_in = defaultdict(list)
s_out = defaultdict(list)
p = defaultdict(list)

for i in range(T):
    l, r = na()
    s_in[l].append(i)
    s_out[r].append(i)

for i in range(N):
    p[X[i]].append(i)

loc = sorted(set(list(s_in)+list(s_out)+list(p)))
from heapq import heappop, heappush
hq = []
ans = [-1] * N
removed = [0] * T
for x in loc:
    for i in s_in[x]:
        heappush(hq, -i)
    for i in p[x]:
        while hq and removed[-hq[0]]:
            heappop(hq)
        if hq:
            j = -hq[0]
            ans[i] = j+1
    for i in s_out[x]:
        removed[i] = 1

for i in ans:
    print(i)