def check_language_data(self, qid, lang_data, lang, lang_data_type):
        """
        Method to check if certain language data exists as a label, description or aliases
        :param lang_data: list of string values to check
        :type lang_data: list
        :param lang: language code
        :type lang: str
        :param lang_data_type: What kind of data is it? 'label', 'description' or 'aliases'?
        :return:
        """
        all_lang_strings = set(x.strip().lower() for x in self.get_language_data(qid, lang, lang_data_type))

        for s in lang_data:
            if s.strip().lower() not in all_lang_strings:
                print('fastrun failed at label: {}, string: {}'.format(lang_data_type, s))
                return True

        return False