from collections import Counter

N = int(input())
AB = [list(map(int, input().split())) for _ in range(N)]
M = int(input())
XY = [list(map(int, input().split())) for _ in range(M)]
XY.sort()

c = Counter()

for i in range(N):
    a, b = AB[i]
    for j in range(M):
        x, y = XY[j]
        if x <= a:
            if y >= b:
                c[j] += 1
        else:
            break

if len(c) == 0:
    ans = [0]
else:
    ma = max(c.values())
    ans = sorted(k+1 for k, v in c.items() if v==ma)

print(*ans, sep='\n')