n = int(input())
ab = [list(map(int, input().split())) for _ in range(n)]
ans = []
max_cnt = -1
m = int(input())
for i in range(m):
    cnt = 0
    x, y = map(int, input().split())
    for a, b in ab:
        if x <= a and y >= b:
            cnt += 1
    if cnt > max_cnt:
        ans = [i + 1]
        max_cnt = cnt
    elif cnt == max_cnt:
        ans.append(i + 1)
print(*ans, sep = "\n")