public static String getCarInsuranceWithManyChoice(Person person){
        
        if(person ==null) {
            return "Unknown";
        }
        
        Car car = person.getCar();
        if(car == null) {
            return "Unknown";
        }
        
        Insurance insurance = car.getInsurance();
        if(insurance==null) {
            return "Unknown";
        }
        
        return insurance.getName();
    }