best station

def main():
    n = int(input())
    metro_stations = []
    for i in range(n):
        station = tuple(map(int, input().split()))
        metro_stations.append(station)

    m = int(input())
    bus_stations = {}
    for j in range(m):
        station = tuple(map(int, input().split()))
        bus_stations[station] = bus_stations.get(station, 0) + 1

    maximum_stations_around = 0
    best_metro_station = 1
    station = 1
    R = 20
    for metro in metro_stations:
        Mx, My = metro[0], metro[1]
        counter = 0
        for X in range(-R, R + 1):
            y_range = int((R * R - X * X) ** 0.5)
            for Y in range(-y_range, y_range + 1):
                counter += bus_stations.get((X + Mx, Y + My), 0)
        if counter > maximum_stations_around:
            maximum_stations_around = counter
            best_metro_station = station
        station += 1

    print(best_metro_station)


if __name__ == '__main__':
    main()