from collections import Counter
import sys

def D(*a, **kwa):
    print(*a, file=sys.stderr, **kwa)

N = int(input())
AB = [list(map(int, input().split())) for _ in range(N)]
M = int(input())
XY = [[i] + list(map(int, input().split())) for i in range(M)]
XY.sort(key=lambda x: x[1])

c = Counter()

for i in range(N):
    a, b = AB[i]
    for xy in XY:
        if xy[1] <= a:
            if xy[2] >= b:
                c[xy[0]] += 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')