class ClubMember:
    buy = {}
    def __init__(self,budget,hot):
        self.budget = budget
        self.hot = hot

    def choice(self,number,price,hot):
        if price <= self.budget and hot >= self.hot:
            ClubMember.buy.setdefault(number,0)
            ClubMember.buy[number]+=1

    @classmethod
    def miracle_mentaiko(cls):
        if not cls.buy:
            return []
        popular = max(cls.buy.values())
        return sorted([x for x,y in cls.buy.items() if y == popular])


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)
miracle = ClubMember.miracle_mentaiko()
if miracle:
    for i in miracle:
        print(i)
else:
    print(0)