class Launcher {

    public static void main(String[] args) {<FILL_FUNCTION_BODY>}

}

        // define facts
        Facts facts = new Facts();
        facts.put("rain", true);

        // define rules
        WeatherRule weatherRule = new WeatherRule();
        Rules rules = new Rules();
        rules.register(weatherRule);

        // fire rules on known facts
        RulesEngine rulesEngine = new DefaultRulesEngine();
        rulesEngine.fire(rules, facts);
    
<no_super_class>