Return all lemmas for a given word. This method assumes that the specified word is present in the dictionary
        :param word: Word that is present in the IWNLP lemmatizer

def get_lemmas(self, word, pos=None, ignore_case=False):
        """
        Return all lemmas for a given word. This method assumes that the specified word is present in the dictionary
        :param word: Word that is present in the IWNLP lemmatizer
        """
        entries = self.get_entries(word, pos, ignore_case)
        lemmas = list(set([entry["Lemma"] for entry in entries]))
        return sorted(lemmas)