def __init__(self, engine, other): ThisFromThat.__init__(self, engine, other, 'ox <- td')
def __init__(self, engine, other): ThisFromThat.__init__(self, engine, other, 'td <- ox')
def __init__(self, engine, other): ThisFromThat.__init__(self, engine, other, 'td <- en')
def __init__(self, engine, other): ThisFromThat.__init__(self, engine, other, 'en <- ox')