import sys
sys.setrecursionlimit(100000000)
MOD = 10 ** 9 + 7
INF = 10 ** 15

def main():  
    N = int(input())
    want = [tuple(map(int,input().split())) for _ in range(N)]
    M = int(input())
    mentaiko = [tuple(map(int,input().split())) for _ in range(M)]

    bought = [0] * M
    max_bought = 0
    for a,b in want:
        for i,(x,y) in enumerate(mentaiko):
            if x <= a and b <= y:
                bought[i] += 1
                max_bought = max(max_bought,bought[i])

    if max_bought == 0:
        print(0)
    else:
        ans = [i + 1 for i in range(M) if bought[i] == max_bought]
        print('\n'.join(map(str,ans)))
if __name__ == '__main__':
    main()