import sys
input = sys.stdin.buffer.readline

n = int(input())
AB = [0]*n
for i in range(n):
    a, b = map(int, input().split())
    AB[i] = (a, b)
m = int(input())
V = [0]*m
for i in range(m):
    x, y = map(int, input().split())
    temp = 0
    for j in range(n):
        a, b = AB[j]
        if x <= a and y >= b:
            temp += 1
    V[i] = temp
v = max(V)
if v == 0:
    print(0)
    exit()
ans = []
for i in range(m):
    if V[i] == v:
        ans.append(i+1)
for i in ans:
    print(i)