if (!angular)                       var angular = window['angular'] = {};
if (!angular['scenario'])           var angularScenario = angular['scenario'] = {};
if (!angular['scenarioDef'])        var scenarioDef = angular['scenarioDef'] = {};
if (!angular['scenario']['GIVEN'])  angularScenario['GIVEN'] = {};
if (!angular['scenario']['WHEN'])   angularScenario['WHEN'] = {};
if (!angular['scenario']['THEN'])   angularScenario['THEN'] = {};