n = int(input())
members = sorted([ list(map(int, input().split())) for _ in range(n)], key=lambda x:-x[0])
m = int(input())
mentaiko = [0] * m

for i in range(m):
    x, y = map(int, input().split())

    for price, hot in members:

        if x <= price and y >= hot:
            mentaiko[i] += 1

kiseki = sorted([i + 1 for i, x in enumerate(mentaiko) if x == max(mentaiko) and x != 0])
if kiseki == []:
    print(0)
else:
    print(*kiseki, sep="\n")