def retract(self, argument_name): argument = Argument.find(argument_name) return self.game.retract(argument)
def has_to_be(self, argument_name): argument = Argument.find(argument_name) return self.game.has_to_be(argument)
def concede(self, argument_name): argument = Argument.find(argument_name) return self.game.concede(argument)