protected static function getSentences($body, $sentencesToDisplay = 2) {
    $sentences = preg_split('/(\.|\?|\!)(\s)/', $body);
    array_shift($sentences);

    if (count($sentences) <= $sentencesToDisplay) {
      return $body;
    }
    else {
      $results = array_slice($sentences, 0, $sentencesToDisplay);
      return implode('. ', $results) . '.';
    }
  }