def main():
    n = int(input())
    ab = []
    for i in range(n):
        a, b = map(int, input().split())
        ab.append([a, b])

    m = int(input())
    count = [0 for i in range(m)]
    maxans = 0
    for i in range(m):
        x, y = map(int, input().split())
        for j in range(n):
            if x <= ab[j][0] and ab[j][1] <= y:
                count[i] += 1
        if maxans < count[i]:
            maxans = count[i]

    ans = []
    if maxans == 0:
        ans.append(0)
    else:
        for i in range(m):
            if maxans == count[i]:
                ans.append(i + 1)
    for i in ans:
        print(i)

if __name__ == '__main__':
    main()