protected function ask($mQuestion, $sDefault)
    {
        $mQuestion = is_array($mQuestion) ? implode("\n", $mQuestion) : $mQuestion;
        $oHelper   = $this->getHelper('question');
        $oQuestion = new Question($mQuestion . ' [' . $sDefault . ']: ', $sDefault);

        return $oHelper->ask($this->oInput, $this->oOutput, $oQuestion);
    }