@staticmethod
def create(cmd_args):
    """
        Create ScenarioManager Instance(YamlScenarioManager or JsonScenarioManager)
        Args:
            cmd_args: Command Line Arguments
        Returns:
            scenario manager instance
        """
    scenario_file_format = cmd_args.format
    scenario_manager_cls = scenario_file_format.capitalize(
        ) + 'ScenarioManager'
    instance = globals()[scenario_manager_cls]
    return instance(cmd_args)
