class Address(object):
    pass

class Transportation(object):
    pass

class Time(object):
    pass

class Fail(object):
    pass

class Win(object):
    pass

class Home(Address):
    pass

class BusStation(Address):
    pass

class SubwayStation(Address):
    pass

class CBD(Address):
    pass

class Bike(Transportation):
    pass

class Bus(Transportation):
    pass

class Subway(Transportation):
    pass

class SevenAm(Time):
    pass

class NineAm(Time):
    pass

class SixPm(Time):
    pass

