class ClubMember:

    def __init__(self,budget,hot):
        self.budget = budget
        self.hot = hot
        self.buy = []

    def choice(self,number,price,hot):
        if price <= self.budget and hot >= self.hot:
            self.buy.append(number)

    def show(self):
        return self.buy


N = int(input())
members = [ClubMember(*map(int,input().split())) for x in range(N)]
M = int(input())
for i in range(M):
    price,hot = map(int,input().split())
    for member in members:
        member.choice(i + 1,price,hot)
members = [y for x in members if x.show() for y in x.show()]
if members:
    mentaiko = {}
    for i in members:
        mentaiko.setdefault(i,0)
        mentaiko[i]+=1
    miracle = max(mentaiko.values())
    miracle = [x for x,y in mentaiko.items() if y == miracle]
    miracle.sort()
    for i in miracle:
        print(i)
else:
    print(0)